Fill in the blank with the correct form of the verb.

He (write)

this novel for three years but he (not finish)

it yet.

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She _______ blood twenty times so far.

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

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He _______ books for poor children for years.

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

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

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

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