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【题目】Lingling is ________ an email ________ her friend, Amy. ( )
A.send; toB.sends; onC.sending; to
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【题目】王琳昨天帮助妈妈做家务.
Wang Lin _________ her mother _________ the housework yesterday.
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【题目】—你为什么不和我们一起玩? —因为我得先完成作业。
—Why _________ you play with us? —_________ I _________ finish my homework first.
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