–She looks very happy. She ________have passed the exam. --I guess so. It’s not difficult after all.
#87268
A
should
B
must
C
could
D
might
推荐题目
I ________ sooner but I didn't know that they were waiting for me.
#86541
A
had come
B
was coming
C
would come
D
would have come
—The woman biologist stayed in Africa studying wild animals for 13 years before she returned.—Oh, dear! She _______ a lot of difficulties!
#89683
A
may go through
B
might go through
C
ought to have gone through
D
must have gone through
When you phoned me,I was having a meeting,otherwise I_______your call.
#87990
A
answered
B
would answer
C
had answered
D
would have answered
Premier Wen advocated school bus safety_______.
#87525
A
be guaranteed
B
guaranteeing
C
should guarantee
D
must be guaranteed
-Is Jack on duty today?-It ____ be him. It’s his turn tomorrow.
#87485
A
mustn’t
B
won’t
C
can’t
D
needn’t