Question

【题目】—I’m afraid that I can’t do it.

—Oh, you should believe in yourself. You won’t know what you can do______ you try it.

A. if B. because C. until D. while

Answer 1

【答案】C

【解析】试题分析：句意：--我担心我做不到。—哦，你应该相信自己。直到你尝试过后，你才能直到自己能做什么。if 是否，如果；because因为；until直到；while然而，当……时。固定结构not…until直到……才，所以选C。