He asked me just to sit down and drink some water I could say anything about my travel pl

问题补充：

He asked me just to sit down and drink some water I could say anything about my travel plan.

A. while

B. when

C. if

D. before

答案：

A. while

B. when

C. if

(答案→)D. before

解析：考查连词的用法。While 当什么的时候，然而，when当什么的时候，if 如果，before

在什么之前，句意：他只是要求我坐下来喝点水在我说关于我的旅游计划的事之前。所以选D。