My father has ________ eaten supper, but my mother has not ________.

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________ great day September 10 ,1984 was!

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I think ________ is very interesting to visit the factory.

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________ you ________ to Beijing these months?

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The maths problem is ________ out.

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A．not easy enough for me working

B．too difficult for me to work

C．not enough easy for me to work

D．too easy to me to work

 ________ you ________ the telephone number yet?

 No, I forgot.

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A．Do, remember

B．Did, remember

C．Can, remember

D．Have, remembered

If he ________ back next month, I'll tell him the news.

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Jane made fewer spelling mistakes, ________ she?

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One can ________ see ________ touch the air.

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I'm going to Hangzhou for a holiday this weekend .

________ you go there, can you buy me some green tea?

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