---Tommy,yourmumhasbeenoutwithoutglasses! ---Well,take...

问题详情：

 --- Tommy, your mum has been out without glasses!

 --- Well, take it easy. _______ she is back home for them.

       A. It is long before that                              B. It won’t be long since

       C. It won’t be long before                         D. It will be long before

【回答】

C

知识点：固定句型

题型：选择题