Tom _____ full marks, but he was too careless and made a spelling mistake.
#86664
A
could gain
B
could have gained
C
must have gained
D
must gain
推荐题目
——Tom is never late for work. Why is he absent today?—— Something _____to him.
#87520
A
must have happened
B
can have happened
C
must happen
D
can happen
---- I can’t get through to the general manager’s office anyhow. ---- The line is busy. Someone ___________ the telephone.
#87229
A
can have used
B
can use
C
must have used
D
must be using
(2011·全国卷Ⅰ)They ________have arrived at lunchtime but their flight was delayed.
#86528
A
will
B
can
C
must
D
should
—What caused the accident?—It was my fault, sir. I _____ to the left.
#89511
A
ought not to have turned
B
needn’t have turned
C
shouldn’t turn
D
couldn’t turn
The committee has recommended that the training program _______ improved .
#86949
A
would be
B
is
C
was
D
be