Do you know where David is? I couldn’t find him anywhere.      Well, he       have gone far. His coat is still here.
#87704
A
shouldn’t
B
mustn’t
C
can’t
D
wouldn’t
推荐题目
Jack _____ yet, otherwise he would have telephoned me.
#89350
A
mustn’t have arrived
B
shouldn’t have arrived
C
can’t have arrived
D
needn’t have arrived
Most people advise that students’ heavy burden __________.
#87299
A
reduce
B
be reduced
C
to be reduced
D
reduced
I can’t accept the order he gave yesterday that I _____in my own study!
#87684
A
couldn’t be
B
not be
C
mustn’t be
D
wasn’t