25. I ______ have been more than six years old when the accident happened.
#90505
A
shouldn’t
B
couldn’t
C
mustn’t
D
needn’t
推荐题目
—Why didn't you answer my phone when I phoned you at about 11 p. m. yesterday? —I ___________and failed to hear the phone.
#89324
A
might have slept
B
must be sleeping
C
might be sleeping
D
must have been sleeping
You ______ be hungry already — you had lunch only two hours ago!
#88943
A
wouldn’t
B
can’t
C
mustn’t
D
needn’t
She had a computer at home, and her parents desired that she _____all her work at home.
#86804
A
do
B
does
C
must do
D
would do
---Did you get a ticket? ---Yes. Otherwise I____ the concert last night.
#87099
A
didn’t attend
B
wouldn’t attend
C
hadn’t attended
D
couldn’t have attended
-----I _____without your help. I do appreciate it . -----You are welcome.
#86686
A
can’t manage
B
couldn’t manage
C
can’t have managed
D
couldn’t have managed