—Why is online shopping getting more popular? —I think it _________ save a lot of time.
#74455
A
should
B
had better
C
can
D
ought to
推荐题目
Even students of average intelligence ________ become top students by improving their study habits.
#62294
A
must
B
can
C
have to
D
ought to
—I think the man over there must be Bob. -- It_______ be him. He has______ to Australia.
#78073
A
can’t, gone
B
can’t, been
C
may not, been
D
mustn’t, gone
Not having work out the problem, leave the office．
#63683
A
so he was not allowed to
B
and he didn’t want to
C
the teacher couldn’t make him
D
he couldn’t free himself to
—Look! The man at the gate ______ be our headmaster. He is always standing there every morning.—No, it ______be him. He is holding a meeting in the office now.
#75570
A
must, can’t
B
must, mustn’t
C
can’t, can’t
D
can’t, mustn’t