问题
The weather turned out to be fine yesterday. I _______ have taken the trouble to carry my umbrella with me.
A:should
B:could
C:needn’t
D:mustn’t
B:could
C:needn’t
D:mustn’t
正确答案是：
同类题型
Hello，Jane，have you arrived at the hotel?—–Yeah，busy.I’ll call back later.
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sir, but you can’t go any furtherwithout______boarding pass. Please obey ____ rule.