问题
选择题
. There ____ be a flight for Kunming this evening, but you’d better find 
it out for sure.
A．may
B．must
C．should
D．will
答案
答案：A
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. There ____ be a flight for Kunming this evening, but you’d better find it out for sure.
A．may
B．must
C．should
D．will
答案：A