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⑴ninety pens A.你有多少本书?
⑵one-hundred pencils B. 有多少本书?
⑶How many books do you have? C.我们又九十支铅笔。
⑷How many books are there? D.九十支钢笔
⑸We have ninety pencils. E. 一百支铅笔
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