They (analyze) ..................the result of an experiment over the last hours without any break.

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It is the second time he _______ his job.

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I ______ blood twice and _____ presents to sick children in the hospital recently.

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Lan ____ Banh Tet. She will try some this year.

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At Tet, my sister and her close friends often go to the hospitals to donate cakes, sweets and toys for the sick children there. They ______ it for many years.

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He ______ lectures to foreign tourists about traditional food and games recently.

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Tenda _________ here all his life.

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He  _________  here for a long time.

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Peter ________(not/see) his friend since last Christmas.

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They _________ their house since they arrived last Monday.

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He _________ that there are only four weeks to the end of term.

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We __________ this movie.

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__________ married yet?

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She ___________  book for more than 2 hours.

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He __________ her before.

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Linh is my close friend. We _____ each other for 5 years.

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My hobby is carving eggshells and now I _____ nearly 100.

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Mary’s mother _____ her to sing since she was five.

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He _______ books for poor children for years.

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She _______ blood twenty times so far.A. donates

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Lan ______ English for more than a year but she can speak it very well.