Lucy’s colour ________blue because she likes to be the leader, so it __________red.   
#77316
A
can’t be, must be
B
can’t be, mustn’t be
C
should be , must be
D
must be, can’t be
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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