---There is somebody knocking at the door. Who________ it be?---I’m not sure. It ________ be a postman.
#75825
A
may; must
B
will; can
C
can; may
D
may; will
推荐题目
-- Is it your brother playing football outside? -- It ________ be him. He is helping mother with dishes now.
#76128
A
must
B
can’t
C
mustn’t
D
can
If you _____ leave early on weekdays, do it quietly. The other classmates are also dying to have an early leave.
#62977
A
can
B
must
C
should
D
may
---How did you do in the test yesterday? -----Not so well. I ______ much better but I misread the directions for writing.
#63231
A
will have done
B
could have done
C
must have done
D
may have done
If you have finished most of the work, you ______ start working so early tomorrow.
#77689
A
can’t
B
mustn’t
C
couldn’t
D
needn’t