—Can you tell me_____?—Sure. Two years ago.[ ]A. when did they build the new teaching buildingB. whe

题目简介

—Can you tell me_____?—Sure. Two years ago.[ ]A. when did they build the new teaching buildingB. whe

题目详情

—Can you tell me_____?        
—Sure. Two years ago.      
[     ]
A. when did they build the new teaching building        
B. when they build the new teaching building        
C. when they built the new teaching building        
D. when they are building the new teaching building
题型:单选题难度:中档来源:期末题

答案

C

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