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怎样选择,并说说是那一条语法.

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怎样选择,并说说是那一条语法.
4.If you _____ faster,we could have turned in the project before the deadline.
A.work
B.had worked
C.have worked
D.working
7._____ time do you spend on your homework every day?
A.How much
B.How well
C.How often
D.How long
10.Would anybody care for _____ drink before dinner?
A.the others
B.another
C.other
D.others
13.She _____ everywhere for her favorite perfume.So far she hasn't found it.
A.has looked
B.looking
C.been looking
D.looked
21.I had _____ soup and a sandwich for lunch.
A.a few
B.a lot of
C.many
D.much
18.We went to the doctor _____ she couldn't seem to get rid of her cold.
A.so
B.for
C.that
D.because
怎样选择,并说说是那一条语法.
4、B If后面跟现在完成时或过去完成时,由题目可以看出是要用过去完成时
7、A,因为time是个不可数名词
10、D,我们可以很快排除了B,也没有规定范围所以只能是C和D,但是本句说的是普遍的现象,不止一个人,所以选D
13、C,这是用了过去完成进行时,表示了从从前的一个时间一直延续到现在,还要再延续下去
21、D,因为soup是不可数名词
18、D,B、D表示原因,for只跟词语或者短语,不跟句子