He ____________ very hard these days. [#506]

have been working

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have been working

Marie Salomea Skłodowska–Curie
She was the first woman to win a Nobel Prize, the first person to win a Nobel Prize twice, and the only person to win a Nobel Prize in two scientific fields. Marie won her 1st Nobel Prize in 1903 in Physics with her husband for their pioneering work developing the theory of "radioactivity" - a term she coined. Marie won her 2nd Nobel Prize in 1911 in Chemistry for her discovery of the elements polonium and radium, using techniques she invented for isolating radioactive isotopes.

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Marie Salomea Skłodowska–Curie
She was the first woman to win a Nobel Prize, the first person to win a Nobel Prize twice, and the only person to win a Nobel Prize in two scientific fields. Marie won her 1st Nobel Prize in 1903 in Physics with her husband for their pioneering work developing the theory of "radioactivity" - a term she coined. Marie won her 2nd Nobel Prize in 1911 in Chemistry for her discovery of the elements polonium and radium, using techniques she invented for isolating radioactive isotopes.

Paleontology is the scientific study of fossils, which are the remains of plants, animals, fungi, bacteria, and single-celled living things that have been replaced by rock material or impressions of organisms preserved in rock. Fossils can be shells, bones, or plant leaves, which are called body fossils. Trace fossils are preserved tracks, trails, and burrows that record an organism's life activities.

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Paleontology is the scientific study of fossils, which are the remains of plants, animals, fungi, bacteria, and single-celled living things that have been replaced by rock material or impressions of organisms preserved in rock. Fossils can be shells, bones, or plant leaves, which are called body fossils. Trace fossils are preserved tracks, trails, and burrows that record an organism's life activities.

Meaning: The word "haunts" can have two main meanings: to visit a place regularly or to be a regular source of trouble or torment. In either case, the antonym is an action that is the opposite of being present or repeatedly affecting something. "Avoids" directly fits this as it means to keep away from or refrain from doing something. Antonyms: Avoids, Repels

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Meaning: The word "haunts" can have two main meanings: to visit a place regularly or to be a regular source of trouble or torment. In either case, the antonym is an action that is the opposite of being present or repeatedly affecting something. "Avoids" directly fits this as it means to keep away from or refrain from doing something. Antonyms: Avoids, Repels

Mising

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Mising

Finally, the fighting was over. At 11 a.m. on Nov 11, 1918 — the eleventh hour of the eleventh day of the eleventh month—the guns fell silent.

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Finally, the fighting was over. At 11 a.m. on Nov 11, 1918 — the eleventh hour of the eleventh day of the eleventh month—the guns fell silent.

Manas National park is located at Himalayan foothills where its having an unique bio diversity and scenic landscapes. It is one of the first reserves included in the tiger reserve network under project tiger in 1973.

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Manas National park is located at Himalayan foothills where its having an unique bio diversity and scenic landscapes. It is one of the first reserves included in the tiger reserve network under project tiger in 1973.

The average height of Assam from sea level is 79.5 m.

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The average height of Assam from sea level is 79.5 m.

Moscow is the capital and largest city of Russia. It is a major political, economic, cultural, and scientific center.

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Moscow is the capital and largest city of Russia. It is a major political, economic, cultural, and scientific center.

Suryya Kumar Bhuyan was a renowned Assamese historian and scholar who wrote the "Buranjis", a comprehensive history of Assam. He was a pioneer in the field of Assamese historiography and his works are considered classics in the study of Assam's history and culture.

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Suryya Kumar Bhuyan was a renowned Assamese historian and scholar who wrote the "Buranjis", a comprehensive history of Assam. He was a pioneer in the field of Assamese historiography and his works are considered classics in the study of Assam's history and culture.

Razia Sultana

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Razia Sultana