Question

—Would you like to play tennis with me _________ it doesn’t rain tomorrow?
—Sure, _________ I am busy.

A．if; since

B．whether; but

C．if; unless

D．because; until

Answer 1

C

解析試題分析：句意：如果明天不下雨，你愿意和我一起打網球嗎？當然，除非我忙。If如果，since自從，既然，由于；whether是否；but但是；unless除非；until直到。所以選C。
考點：考查連詞。