The little boy took the back way quietly and quickly to escape________.[ ]A．

题型：山东省同步题难度：来源：

The little boy took the back way quietly and quickly to escape________.[     ]
A．to be seen
B．being seen
C．seeing
D．having seen

答案

举一反三

           to nuclear radiation, even for a short time, may produce variants(变异)of genes in human bodies.  [     ]
A. Having exposed
B. Being exposed
C. Exposed
D. After being exposed

题型：同步题难度：| 查看答案

Everything _____ doing is worthy of_____ well. [ ]
A. worthy; being done
B. worthy; doing
C. worth; being done
D. worth; doing

题型：同步题难度：| 查看答案

________to strong sunlight for a long time will do harm to our skin.[     ]
A. Exposed
B. To expose
C. Exposing
D. Being exposed

题型：山西省同步题难度：| 查看答案

________to strong sunlight for a long time will do harm to our skin.[     ]
A．Exposed
B．To expose
C．Exposing
D．Being exposed

题型：山西省同步题难度：| 查看答案

________to strong sunlight for a long time will do harm to our skin. [    ]
A. Exposed
B. To expose
C. Exposing
D. Being exposed

题型：陕西省同步题难度：| 查看答案