--Do you need more time to finish the work?

--Yes, another ten days ________ enough.

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They have built several bridges ________ the Pearl River.

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He isn't a friend of yours, is he?

________. We've known each other since we were young.

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The old woman hardly remembers the place, _________ ?

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Have you ________ your parents ________?

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Grandmother _________ cold since last Sunday.

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--Do you know Betty very well?

--Yes, she and I ______ friends since we met in Guangzhou last year.

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--Who will go to the airport to meet Jenny?

--I will. I _______ her several times. I can find her easily.

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--________ you ________ your homework?

--Not yet.

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She wants to be a nurse when she _________.

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