. You _____ return the book now. You can keep it till next week if you like.
#89398
A
can’t
B
mustn’t
C
needn’t
D
may not
推荐题目
If you go into a store and feel that the clerk is being rude, stop and think that she____ a tough day, and put yourself in her shoes.
#88069
A
may have
B
may have had
C
must have
D
should have had
The earthquake victims were given clothes and food, without which they of cold and hunger.
#86501
A
would die
B
will die
C
have died
D
would have died
Some aspects(方面) of a teacher’s job ______ be tiring, and teachers often ______ work at inconvenient hours.
#87172
A
can; must
B
may; can
C
can; have to
D
have to; must
---Sorry, Professor Smith. I didn't finish the assignment yesterday.---Oh, you have done it as yesterday was the deadline.
#87069
A
must
B
mustn't
C
should
D
shouldn't