---who______it be that is knocking at the door? ---It_______be Father, but I’m not sure.
#62245
A
can, must
B
can, may
C
must, can
D
may, must
推荐题目
– Who didn’t turn off the light after school yesterday?– It ______ be Lucy. She told me she was the last one to leave the classroom.
#74517
A
must
B
mustn't
C
might
D
can't
－ Must I clean my rabbit’s hutch every day?－ No, you ____________.
#77271
A
mustn’t
B
needn’t
C
can’t
D
don’t
–Amazing! You ______come to the party in such a fancy dress.__ Do’t you know it’s a fashion?
#63123
A
must
B
will
C
could
D
should