查人人中国名人网水晶锅多少钱一个:帮忙分析一下
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7. Is it necessary __________ the book immediately?
A. for him to return B. that he returns
C. his returning D. of him to return
请分析详细些
A. for him to return B. that he returns
C. his returning D. of him to return
请分析详细些
本题的选项中
A正确句型"It is + adj.+ for sb to do sth"是对某人行为的形容
B项that引导的是从句"it is ...that"是一种强调句型,例如It is me that help you resolve this problem.
C项是动名词结构,不可能引导后面的名词the book
D项"it is adj of sb to do"是对人的描述,比如kind,cool等
选A 他必须立即还书吗？
“It is + adj.+ for sb to do sth”是固定搭配
A 不定式的复合结构做主语
如选B，要用that he （should ）return（为虚拟语气