—Will our flight to Paris be delayed?—It _____.The flights of this airline are usually very punc—Will our flight to Paris be delayed?—It _____.The flights of this airline are usually very punctual,unless there is bad weather.A.mustn’t\x05\x

—Will our flight to Paris be delayed?—It _____.The flights of this airline are usually very punc—Will our flight to Paris be delayed?—It _____.The flights of this airline are usually very punctual,unless there is bad weather.A.mustn’t\x05\x
—Will our flight to Paris be delayed?—It _____.The flights of this airline are usually very punc
—Will our flight to Paris be delayed?
—It _____.The flights of this airline are usually very punctual,unless there is bad weather.
A.mustn’t\x05\x05\x05\x05B.can’t\x05\x05\x05C.shouldn’t\x05\x05\x05D.needn’t
问；B.can’t 绝对不可能 C.shouldn’t不应该怎么区分 查了牛津,意思都说得通.

—Will our flight to Paris be delayed?—It _____.The flights of this airline are usually very punc—Will our flight to Paris be delayed?—It _____.The flights of this airline are usually very punctual,unless there is bad weather.A.mustn’t\x05\x
是选C shouldn't
如果选can't,不可能, 是说明总是always 准时,“不可能”晚点.
但是这里只说usually 准时,也是有可能晚点的, 所以用shouldn't不应该吧