— _____when has the country been open to international trade? — 1978, I suppose. [ ]A. Since B. In C

题目简介

— _____when has the country been open to international trade? — 1978, I suppose. [ ]A. Since B. In C

题目详情

— _____ when has the country been open to international trade?
— 1978, I suppose.
[     ]
A. Since
B. In
C. From
D. After
题型:单选题难度:中档来源:陕西省高考真题

答案

A

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