(2013·成都一诊)The chairman ________ hold office for five years according to the constitution.
#62450
A
might
B
could
C
need
D
shall
推荐题目
—______ is “CHINA NEWS” shown on CCTV-4? —Every day. 
#77937
A
How often
B
How many times
C
How long
D
How soon
 My sister met him at the street yesterday afternoon, so he __________ your lecture.
#63076
A
shouldn’t have attended
B
needn’t have attended
C
mustn’t have attended
D
couldn’t have attended