A good rest between classes ________ recover brain power to its best and make us perform better in class later.
#62727
A
must
B
can
C
need
D
shall
推荐题目
Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
#74948
A
mustn’t
B
ought not to
C
needn’t
D
don’t have to
—Miss Li, must we hand in our homework right now?—No, you ____.You can hand it in tomorrow.
#77809
A
don’t
B
mustn’t
C
needn’t
D
may not
Lora，you ____________ leave all your books on the floor like this!
#62212
A
wouldn’t
B
mustn’t
C
needn’t
D
may not
—How did he get my telephone number?—You ________ it . You told him last week．
#63204
A
should have forgotten
B
may have forgotten
C
must have forgotten
D
could have forgotten