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She told me that she would come to see me when she ________ China again .

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Tom said his grandma was arriving that evening and he ________ her at the station .

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How often do you write to your uncle ? ________

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________ foreign friends come to visit China every year.

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We've planted ________ trees in the center of our city this year.

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My father has got eight ________ stamps from all over the world.

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Can you help me with the housework?

________.I'm busy preparing for my examinations.

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The ________ population may be the greatest challenge of the world today.

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I wasn't sure if he ________ at the meeting .

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If ________ I will go and tell her about it.

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