Father finally ________ us to use his mobile phone.

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I don't know how to improve my English. Could you please give me some ________?

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The children were watching butterflies in the garden. Some caught a lot,and others caught ________ at all.

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I read about it in some book or other. Does it matter ________ it was?

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Always acting in a strange way,Einstein must have_________ to people around to be mad．

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People are afraid _______ poultry （禽肉） because they are afraid

________ by the bird flu.

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A. to eat, to be infected（感染）

B. of eating, to be infected

C. of eating, of being infected

D. to eat, of being infected

We are sure that peace will _________ war in the end.

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As Mr. Cook was ill, his wife _________.

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I believe that he ________ his success _______ his hard work instead of good luck.

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It was at this point that his career as a scientist ________.

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