— There’s somebody at the door. Who ______ it be? Is it the postman ?—No, it ______ be him. It’s just seven o’clock. It’s too early.
#74903
A
may, can’t
B
will, won’t
C
may, mustn’t
D
must, may not
推荐题目
Don’t be angry with us. We ____ with you together, but we were busy with our final reports when you called in.
#63012
A
would eat out
B
must have eaten out
C
should eat out
D
could have eaten out
—Will you read me a story ,Mummy? --OK.You________have one if you go to bed as soon as possible.
#63618
A
might
B
must
C
could
D
shall
Brain, like muscles, also needs some kind of exercise and nutrition. The more you use your brain in the right direction, the more you ________ enhance your ability.
#62335
A
could
B
might
C
shall
D
will
---Look at the boy running on the playground. Is it David? ---It ______ be him. I saw him go to the teachers’ office just now.
#76689
A
mustn’t
B
can’t
C
couldn’t
D
must