Look! The light in the room is still on. Mr. Liu          at work.
#77067
A
must
B
can’t be
C
must be
D
have to be
推荐题目
Lisa is going to clean her _______ room when she _________ back from school next weekend. 
#77126
A
living; is coming
B
living; comes
C
live; come
D
lives; is going to come
---- Did you pass the driving test? ---- No. I ______ it, but I had little time practicing.
#63236
A
could have passed
B
must have passed
C
can’t have passed
D
shouldn’t have passed
-May we leave the classroom now?-No, you _______. You _______ to leave until the bell rings.
#74240
A
can't; are allowed
B
mustn't; aren't allowed
C
needn't; are allowed
D
needn't; aren't allowed