Doctors are concerned that the children ___too much time in front of the TV .
题目
Doctors are concerned that the children ___too much time in front of the TV .
A those spend
B who spend
C to spend
D spend
答案
选B 是定语从句,用who引导的句子修饰children
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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