in a few days for a few days

题目

in a few days for a few days
The engineer will return from England ___ a few weeks.A.on B.in C.since D.after 选什么?

答案

选 B.in in + 一段时间 表示一段时间后,而前面有 will.所以选 Bon 加具体到某一天或某具体的早上/下午/晚上,如：on january 1st 或on Monday morning、on a warm morning since 为 现在完成时 的时间状语,也就是有...