问题补充:
They stayed with me for three weeks , they drank all the wine I had.
A. which
B. which time
C. during which time
D. during that time
答案:
A. which
B. which time
(答案→)C. during which time
D. during that time
解析:考查定语从句:句意:他们和我一起呆了三个星期,在那期间,他们喝了我所有的酒。先行词是three weeks,定语从句中缺少时间状语,用介词+关系代词引导定语从句,选C。