HesaidinhisletterthathewasgoingtovisitChina

问题详情：

He said in his letter that he was going to visit China _____ and he had the idea _____.

A long before; before long;          B before long; long before

C before long; before long;         D long before; long before

【回答】

B

知识点：词组 短语

题型：选择题