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
The teacher suggested the dictionary         at once.
#87219
A
be referred to be bought
B
be referred to being bought
C
referred to be bought
D
referred to being bought
The command has just arrived that all employees ____________ in their proper uniforms before 7:00 pm.
#87183
A
will be dressed
B
must be dressed
C
were dressed
D
be dressed
Thank you for giving me so much help. I _______in the experiment without your support.
#87039
A
have failed
B
will fail
C
would have failed
D
must have failed