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
It is reported that many a new house ______ at present in the disaster area.
A. are being built B. were being built
C. was being built D. is being built
------ I don’t think he is fit for the job, ______?
------Why do you think so ?
A. do I B. don’t I C. is he D. isn’t he
______ is of great importance now , my teacher often reminds me ,is study.
A. It B. As C. What D. Which
Although he was in poor health , Robert succeeded ______ other more famous engineers failed.
A. which B. that C. what D. where
Even if the treatment _____, there’s still no magic pill for patients in the late stage of AIDS.
A. does B. performs C. works D. runs