When was it________you let out the secret?[ ]A. which B. what C. that D.

题型：同步题难度：来源：

When was it________you let out the secret?[     ]
A. which
B. what
C. that
D. why

答案

举一反三

It was in the lab _____ was taken charge of by Mr.Harris _____ they did the experiment.[     ]
A. which; that
B. that; which
C. that; whom
D. which; where

题型：同步题难度：| 查看答案

It _____ I that _____ against you.[     ]
A. am; is
B. is; is
C. is; am
D. was; am

题型：同步题难度：| 查看答案

—_____ that makes her different from the other students?
—Honesty, hardwork and, I suppose, a bit of imagination.[     ]
A. What do you know
B. What do you think it is
C. How do you believe
D. How come that

题型：同步题难度：| 查看答案

It was ______ back home after the experiment.    [     ]
A. not until midnight did he go
B. until midnight that he didn"t go
C. not until midnight that he went
D. until midnight when he didn"t go

题型：月考题难度：| 查看答案

Was it in 1969 _______ the American astronauts succeeded ______ landing on the moon?   [     ]
A when; on
B. that; on
C. when; in
D. that; in

题型：月考题难度：| 查看答案