The meeting is beginning at 8 o’clock. , let’s make some preparations for it.
A. When
B. Meanwhile
C. While
D. During
网友回答
A. When
(答案→)B. Meanwhile
C. While
D. During
解析：考查句子结构。本题横线前面是句号，说明本题后半部分不要使用连词。Meanwhile与此同时；是一个副词，在句中做时间状语。句意：会议在8点开始。同时，就让我们做些准备吧。故B正确。