【题目】––Do you mind if I go out this evening?
––I don’t mind what you do ________ you let me know ahead of time.
A. ever since B. in case C. as long as D. even though
在线课程【答案】C
【解析】考查状语从句。A. ever since从那时到现在；B. in case万一；C. as long as只要；D. even though即使。句意：——你介意我今天晚上出去吗？——只要你提前让我知道，我不在乎你做什么。此处是as long as引导的条件状语从句，故选C。