So much of interest ________ that most visitors simply run out of time before se

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

Not until I began to work ________ how much time I had wasted.[      ]
A. did I realize
B. didn"t I realize
C. hadn"t I realized
D. had I realized

题型：同步题难度：| 查看答案

John was fired by his factory and only then ________ how wrong he was to be lazy and careless.[     ]
A. had he realized
B. he had realized
C. did he realize
D. he realized

题型：同步题难度：| 查看答案

Only when all the fish in the lake died ________ how serious the pollution was.[     ]
A. did the villagers realize
B. the villagers realized
C. had the villagers realized
D. the villagers had realized

题型：同步题难度：| 查看答案

Only by introducing scientific management, I suppose, ________ our company to a bright future and
make more profits in the next years.[    ]
A. can we bring
B. we have brought
C. we can bring
D. have we brought

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Only when ________ be possible to sign the papers.[ ]
A. does the boss come will it
B. the boss comes will it
C. has the boss come it will
D. the boss comes it will

题型：同步题难度：| 查看答案