I can hear the Browns' phone bell ringing but no one is answering it; they _______ be at home.
#89680
A
would
B
might
C
needn't
D
can't
推荐题目
Had the boy worked harder, he ______ the exam.
#86940
A
must have got through
B
could get through
C
ought to get through
D
would have got through
 If I _______ that program the day before yesterday, my computer wouldn’t have broken down.
#86758
A
didn’t run
B
haven’t run
C
hadn’t run
D
were not to run