you call me to say you are not coming I’ll see you at the theatre.A. UntilB. IfC. AsD. U

问题补充：

you call me to say you are not coming, I’ll see you at the theatre.

A. Until

B. If

C. As

D. Unless

答案：

A. Until

B. If

C. As

(答案→)D. Unless

解析：“除非你打电话告诉我你不来了，否则我会在剧院见你。” A. Until直到 B. If 如果 C. As当 D. Unless除非。因此答案D。