—Listen! Peter is singing in the classroom! —It _____ be him. He has gone back to his hometown.
#74925
A
must
B
mustn’t
C
may not
D
can’t
推荐题目
—Dad, must I do my homework now?—No. You_____play games with your friends for a little while.
#78172
A
would
B
needn’t
C
may
D
don’t have to
-----Who ______ it be that hasn’t handed it in yesterday? ------It _______ be Bob. He handed it in yesterday.
#63423
A
can; mustn’t
B
must; can
C
can; can’t
D
may; mustn’t
It _____ last night., because the ground is all wet
#63480
A
should rain
B
should have rained
C
must rain
D
must have rained