问题

It _____ ten years since we _____ last time.—Yes. How time flies!
A:was ;meet
B:was ;met
C:has been; met
D:is ;meet;
B:was ;met
C:has been; met
D:is ;meet;
正确答案是:
同类题型
What about inviting Mary to our party?— You’d better not. She prefers to be ____, so far as I know.
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