– 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
推荐题目
Jim______ sing Chinese songs very well now, but he______do it last year.
#75382
A
can; can’t
B
could; can’t
C
can; couldn’t
D
could; couldn’t
The pollution problem here seems to get more and more serious .Something ____with it .
#76542
A
has done
B
must be done
C
is doing
D
was done
You _____ lose your way if you walk alone in the mountains at night.
#77800
A
may
B
need
C
should
D
ought to
