Being constantly exposed to advertisements is annoying, but it ______ be pleasant sometimes.
#62822
A
shall
B
need
C
can
D
must
推荐题目
--- Where is Jack? I can’t find him anywhere.--- He ______ his homework upstairs.
#63513
A
might have done
B
must have done
C
might be doing
D
must do
The man in the office ____be Mr. Black because he phoned me from London just now.
#75461
A
mustn’t
B
may not
C
can’t
D
needn’t
Keep up a good state of mind even if you _____ fail plenty of times.
#62540
A
must
B
will
C
can
D
should
It be difficult to get a train ticket during traditional Chinese Spring Festival this year because there are many ticket windows.
#63304
A
mustn’t
B
ought to
C
needn’t
D
can’t