The boy the first prize, but he was so careless as to make a foolish mistake.
#87720
A
must have gained
B
need have gained
C
could have gained
D
shall have gained
推荐题目
—Shall I help clean the kitchen, Mum?—Thank you.But you ________ it because I can do it myself.
#86356
A
mustn't have done
B
wouldn't have done
C
mightn't have done
D
haven't got to do
While watching television, __________.
#90451
A
the doorbell rang
B
the doorbell rings
C
we heard the doorbell ring
D
we heard the doorbell rings
Environmentalists urged that more effective measures ___________by the government to reduce the pollution.
#87043
A
were taken
B
would adopt
C
be adopted
D
should take
“I thought you wouldn’t mind.” “Well, as a matter of fact I don’t, but you _____ me first.”
#89567
A
should ask
B
should have asked
C
must ask
D
must have asked
— Chinese Premier Wen put great pressure on the Japanese side, otherwise the boat captain ___________． — As the saying goes, he who hasn’t seen the coffin （棺材） won’t cry．
#87909
A
wouldn’t be released
B
hadn’t been released
C
wouldn’t have been released
D
should have been released