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3.John, look at the time.____you play the piano at such a late hour
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26.I was really anxious about you.You ___home without a word.
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24.In those days all the work had to be done ___hand.
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21.—I went to visit Xi`an City Wall yesterday afternoon. ---Oh, did you ? _______.
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25.She ____the loud speaker so that everyone in the lecture room could hear her.
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22._____in a friendly way, their quarrel came to end.
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30. —Shall I return the book to the library ? ----_______Let Li Ping do it.
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28.---Jane won the first prize in the concert. ---______.
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23.____time we had at the dinner party !
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27.---I`ll be away for a visit to the History Museum.Would you mind going with me ? ---______.