So much of interest _____ that most visitors simply run out of time before seein

题型：同步题难度：来源：

So much of interest _____ that most visitors simply run out of time before seeing it all.

[ ]

A. offers Beijing
B. Beijing offers
C. does Beijing offer
D. Beijing does offer

答案

举一反三

So difficult _____ it to live in an English-speaking country that I determined to learn English well.

[ ]

A. I did feel
B. did I feel
C. I have felt
D. have I felt

题型：同步题难度：| 查看答案

I failed in the final exam last term. Only then ____the importance of studies.

[ ]

A. I realized
B. I had realized
C. had I realized
D. did I realize

题型：期末题难度：| 查看答案

____ you eat the correct foods _____ be able to keep fit and stay healthy.

[ ]

A. Only if ; will you
B. Only if ; you will
C. Unless ; will you
D. Unless ; you will

题型：同步题难度：| 查看答案

It was announced that only when the fire was under control ______ to return to their homes.

[ ]

A. the residents would be permitted
B. had the residents been permitted
C. would be residents be permitted
D. the residents had been permitted

题型：同步题难度：| 查看答案

Not until the motorbike looked almost new ________ repairing and cleaning it.

[ ]

A. he stopped
B. did he stop
C. stopped he
D. he did stop

题型：同步题难度：| 查看答案