_______ the apartment, the firefighters shut off the gas, opened the windows and

题型：专项题难度：来源：

_______ the apartment, the firefighters shut off the gas, opened the windows and rescued the
old  couple.  [      ]
A. To break into
B. To be broken into
C. Having broken into
D. Broken into

答案

举一反三

The young man, ________ several attempts to beat the world record in high jumping, decided to
have another try.  [     ]
A. to make
B. making
C. made
D. having made

题型：专项题难度：| 查看答案

-Would you go to the concert this evening?
-Sorry. ________ tomorrow"s lessons, I have no time to go out with you.[     ]
A．Not preparing
B．Not having prepared
C．Not to prepare
D．Being not prepared

题型：同步题难度：| 查看答案

______ the program, they have to stay there for another two weeks. [     ]
A. Not completing
B. Not completed
C. Not having completed
D. Having completed

题型：广东省期中题难度：| 查看答案

________in the queue for half an hour，Tom suddenly realized that he had left his wallet at home.
[     ]
A．To wait
B．Have waited
C．Having waited
D．To have waited

题型：同步题难度：| 查看答案

The hurricane died away, ___________ a lot of damage to the coastal city. [      ]
A. caused
B. causing
C. having caused
D. to have caused

题型：江苏期末题难度：| 查看答案