—She looks very happy. She ______ have passed the exam.--I guess so. It’s not difficult after all.
#88109
A
should
B
could
C
must
D
might
推荐题目
Since nobody gave him any help, he have done the research on his own.
#86873
A
can
B
must
C
would
D
Need
If human beings had been a bit less greedy and cruel, more birds and animals _____dying out.
#89442
A
ought to avoid
B
could have been avoided
C
should have avoided
D
might have avoided
You _____ return my dictionary now. You can keep it and I will get it from you later.
#87649
A
may not
B
mustn’t
C
can’t
D
needn’t
He ignored the neighbor's request that ________ less noise at night.
#87273
A
he would make
B
he could make
C
he make
D
he made
—What is an ideal team leader like?—He ______ be responsible, determined and creative．
#87556
A
can
B
may
C
would
D
should