The child ought to have a rest; she ______ the piano for nearly three hours
题目
The child ought to have a rest; she ______ the piano for nearly three hours
A.had practiced B.ispracticing
C.has been practicing D.practices
答案
举一反三
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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