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-----Is there anything I can do for you, sir?-----I’m being served.A．Oh, you are
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—Have you told your parents about your decision?—Not yet. I can hardly imagine _
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A number of high buildings have arisen ________there was nothing a year ago but
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So fast ________ that it is difficult for us to imagine its speed.A．light travel
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—I’ve studied your program, Peter. Could I make some suggestions?—Go right ahead
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A lot of language learning ________has been discovered, is happening in the firs
