He ________ the window of our classroom yesterday because he didn’t come to school．
#88280
A
mustn’t have broken
B
mightn’t have broken
C
shouldn’t have broken
D
couldn’t have broken
推荐题目
It has been announces that all takers ____ remain in their seats until all the exam papers have been collected.
#90319
A
can
B
may
C
shall
D
will
Students urged that the school library ______open during the long vacation.
#87054
A
be kept
B
kept
C
must keep
D
must be kept
The report makes the recommendation that no more prisons _____.
#90044
A
will be built
B
be built
C
shall be built
D
are to be built
Perce Blackborow and his companions stayed on Elephant Island for six months before rescue came, so they ________ a lot of difficulties.
#87871
A
must go through
B
may go through
C
must have gone through
D
could have gone through
—I’ m sorry. I ______ at you the other day.---Forget it. I was a bit out of control myself.
#87288
A
shouldn’t shout
B
shouldn’t have shouted
C
mustn’t shout
D
mustn’t have shouted