----Look at the boy running on the playground. Is it David? ---- It ______ be him. I saw him go to the teachers’ office just now.
#53899
A
mustn’t
B
can’t
C
may not
D
needn’t
推荐题目
— Make sure all the lights ______ when you leave the room.— OK, I will.
#59226
A
turn on
B
are turn on
C
are turned off
D
turn off
The museum _________ from 9:00 a.m. to 5:00 p.m. at the weekend. Let’s go together.
#59361
A
is open
B
opens
C
is closed
D
Closes
--- How about your school trip to Dalian?--- Everything was wonderful except that our bus _____ twice on the way.
#59559
A
turned down
B
broke down
C
gave up
D
dropped by
—Why are you late, Jim?—Because there _________ a lot of traffic when I came here.
#60093
A
is
B
are
C
was
D
were