--You didn't attend the party last night?
--No, I__________, for the party was put off for some reason.
A.couldn't have B.needn't have C.didn't need to D.don't have to
参考答案:
答案解析:
There is a__________of impatience in the tone of his voice.
There is a__________of impatience in the tone of his voice.A.dot B.hint C.notion