John promised his doctor he ________ not smoke, and he has smoked ever since.
#89070
A
might
B
should
C
could
D
would.
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The chairman requested that ＿＿＿＿＿＿＿＿＿＿＿.
#89880
A
the members studied the problem more carefully
B
the problems were more carefully studied
C
the problems could be studied with more care
D
the members study the problem more carefully
Your advice was a great help to us, without which all our efforts .
#87386
A
wouldn’t pay off
B
hadn’t paid off
C
wouldn’t have paid off
D
didn’t pay off
But for your help，I ________ the place.
#87108
A
can’t find
B
can’t have found
C
couldn’t have found
D
haven’t found
—Who has taken my pen away?—__________. He was here a moment ago.
#90019
A
It must be Li Ping
B
It is Li Ping take
C
Li Ping is
D
Li Ping must take