I.think ____ necessary for students.to take an interest in all subject.
A.that.B.this
C.it.D.one.
求详解
人气：465 ℃ 时间：2020-03-22 13:56:21
解答
C
I （主语） think （谓语）__it(形式宾语）__ necessary （宾补）for students.to take an interest in all subject（不定式的复合结构作真正宾语）
只有it 能作形式宾语,其它不用考虑.
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