_ LI Lei _ to go swimming in the river A.Used;to B.Did use C.Did :used D.Use :did
题目
_ LI Lei _ to go swimming in the river A.Used;to B.Did use C.Did :used D.Use :did
答案
B sb used to do sth 某人过去常常做某事 前面用过去时后面就原形
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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