To learn the latest scientific and technical developments ______________ one of the aims that _______________ to be reached in learning foreign languages.

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The woman sold some of the eggs _____________ seven dollars but some were sold _____________half price.

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Which of the subjects____________ you are studying is the most difficult?

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It's ___________ that Professor Li has gone to America.

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——I saw Tom at the meeting yesterday.

——Did you? I think he ____________ have attended, for he is an expert.

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He ________ have completed his work; otherwise, he wouldn't be enjoying himself by the seaside.

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I remember reading about the actor in ________ magazine. Which of the following is WRONG?

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If you _________ each word, that shows you are carefully thinking about everything you are going to say before you say it.

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The storms did a lot of _____________ and caused some__________.

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——Really? Who will give ____________ lecture? What is it about?

——Professor Wang, ______________ President of Beijing University. About pollution.

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