--- There is someone at the door. Who ______ it be? Is it the postman?--- No, it ________ be him. It’s just seven o’clock. It’s too early.
#75704
A
may, can’t
B
will, won’t
C
may, mustn’t
D
must, may not
推荐题目
–Mom, may I go swimming with my friends in the river? –No, you _________. That’s too dangerous.
#76231
A
won’t
B
don’t
C
needn’t
D
mustn’t
- _______ I take my umbrella with me? - _______ better to do so. The weather is changeable.
#74895
A
Must; You'd
B
Shall, It's
C
Need; You'd
D
Would; It's
Washington ______ get very hot and sticky in summertime. July and August are usually the warmest months.
#63183
A
must
B
can
C
should
D
might
It has been announced that candidates remain in their seats until all the papers have been collected.
#63016
A
shall
B
can
C
should
D
must
Today is Wednesday. He _____ be at home. He _____ be at school.
#76066
A
can't; can
B
can't; must
C
mustn't; must
D
mustn't; can