(2014·湖南六校联考)I know it’s normal for such a thing to happen，but we________it if we’d been more careful.
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A
need have avoided
B
could have avoided
C
will have avoided
D
had avoided
推荐题目
________ stop advertising, prices would be greatly reduced.
#89209
A
Were they to
B
Could they
C
If they
D
Would they
The biggest problem for most plants, which ______ just get up and run away when threatened, is that animals like to eat them.
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A
shan’t
B
can’t
C
needn’t
D
mustn’t
—Mary broke up with me!—You _____ have forgotten about the Valentine's Day．
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A
shouldn't
B
couldn't
C
needn't
D
mustn't
The English teacher suggested Lily that she _________ more English books.
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A
reads
B
must read
C
read
D
can read