Question

【题目】(2017·北京卷)—Peter, please send us postcards ________ we'll know where you have visited.

—No problem.

A. but B. or C. for D. so

Answer 1

【答案】D

【解析】考查连词。so (that) 意为＂为了……，以便……＂，由句意可知答案选 D。句意：＂彼得， 请发给我们明信片以便我们能知道你参观过的地方。＂＂没问题。＂