It’s required that the students______ mobile phones in their school, so seldom ______ them using one. 
#86714
A
not use; will you see
B
should not use; you will see
C
don’t use; will you see
D
would not use; you will see
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We______________last night,but we went to the concert instead.
#88244
A
have studied
B
might study
C
should have studied
D
would study
(江苏省南通市2009期末调研)-Mary, how did your Math test go?-I had thought I _________, but in fact I came in the top 10% in my class.
#90268
A
should have failed
B
couldn’t have failed
C
might have failed
D
shouldn’t have failed
______ smoking, he would not have got cancer in the lung.
#90517
A
Was he given up
B
Had he given up
C
Did he give
D
If he gave up