—I stayed at a hotel while in New York.

—Oh, did you? You ________ with Barbam.

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I was really anxious about you. You ________ home without a word.

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________ as the most excellent student in her university, as most classmates had expected, made her parents very happy.

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We should prevent such a silly mistake ________ again.

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New ideas sometimes have to wait for years before ________ .

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Henry couldn't attend the party ________ at Tom's house at present because he preparing the speech at the party ________ at Marie's house tomorrow.

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________ by the beauty of nature, the old men from Hong Kong decided to spend another three days on Mount Tai.

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It is encouraging to see many students who had great difficulty in learning English ________ the chance to improve their English.

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I think the best thing you should do is ________ another job.

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The harder we study, the more questions we think of ________ .

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