When the students finish _______ their homework,they went on ______outside.A.doing,playing
题目
When the students finish _______ their homework,they went on ______outside.A.doing,playing
B.to do,to play C.doing,to play D.to do,playing
答案
C
finish doing sth 结束做某事
go on doing 继续做同一件事
go on to do继续做另外一件事
根据句意 当孩子们做完家庭作业后,紧接着就出去玩了(是俩件事,因此第二个空用to do)
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
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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