They urged that the library _________ open during the vacation.
#87500
A
must be kept
B
is kept
C
would be kept
D
be kept
推荐题目
. I ____ to the top of the tree, but I fell off it and hurt my leg.
#88189
A
must have climbed
B
was able to climb
C
could have climbed
D
should have climbed
Had they known what was coming next, they ___________ second thoughts.
#87385
A
may have
B
could have
C
must have had
D
might have had
Maybe if I________ science, and not literature then, I would be able to give you more help.
#87195
A
studied
B
would study
C
had studied
D
was studying
According to the air traffic rules, you______switch off your mobile phone before bearding.
#89102
A
may
B
can
C
would
D
should
----Did you make it at last? ----Yes. But for your help, it _____ a serious loss.
#86561
A
would cause
B
must have caused
C
might cause
D
would have caused