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几道语法题,请详解1.we were all surprised when he made it clear that

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几道语法题,请详解
1.we were all surprised when he made it clear that he ——office soon
a leaves b would leave c left d had left
2.she has sacrificed so much ——— support the family
a because of b because c for d in order to
(选d 的原因是他是词组 而for是介词,后面必须加名词是吗)
3.it is not——to ask her that question
a suit b suits c fits d fit
4 parents are encourage to__ computers for their children
a get b purchase c gain d buy
3题 it 不是第三单吗,为何不用fits
几道语法题,请详解1.we were all surprised when he made it clear that
1:b 根据后面的时间状语soon来判断,宾语从句应该用将来时,而主句中的谓语动词为一般过去时,所以宾语从句的时态为过去将来时.
翻译:当他表明他马上就要离开办公室时,我们全部震惊了.
2:d,a和c后面都接名词或者动名词,而b要接句子,这道题后面接的动词原形,所以选d
3d,主语是it,但是这个句子是主-系-表结构,所以系动词用的is,系动词后面要接形容词做标语,所以选d
4,d.固定搭配,buy sth.for sb..a是“得到,拿到”,b是商业上的“购买”,c是”通过努力而获得“.根据句意,其实就是普通的“买”,所以d