think __there should be some understanding between parents and children.
题目
think __there should be some understanding between parents and children.
Aimportant that
B it important
C that important
D how important
答案
B.it 是形式主语.
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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