You ___________ follow the traffic rules. Otherwise, it is dangerous for you. 
#74617
A
must
B
can
C
may
D
should
推荐题目
It was fine yesterday so I ______ the trouble to carry my raincoat with me.
#63141
A
don’t need to take
B
mustn’t have taken
C
didn’t need to take
D
needn’t have taken
—______ is “CHINA NEWS” shown on CCTV-4? —Every day. 
#77937
A
How often
B
How many times
C
How long
D
How soon