___________in the mountain for a week, the students were finally saved by the local police .
| A．Having lost | B．Lost | C．Being lost | D．Losing |
There are some health problems that, when ____ in time, can become bigger ones later on.
| A．not treated | B．not being treated |
| C．not to be treated | D．not having been treated |
_________ the necessary equipment, the seriously wounded man had to be sent to another hospital for the operation.
| A．Lacking | B．Lacking of |
| C．For lack of | D．Lacked in |
Although not as such, those large-scale military exercises with America were partly aimed at scaring the North Korea.
| A．being advertised | B．advertising |
| C．having advertised | D．advertised |
When I woke up, I found myself ______ in bed and _______ by doctors and nurses.
| A．lying, surrounding | B．laying, surrounding |
| C．lying, surrounded | D．lain, surrounded |
The newly-discovered evidence led to the criminal _______ to five years in prison..
| A．to be sentenced | B．being sentenced |
| C．sentenced | D．be sentenced |
People say that Vancouver is Canada’s most beautiful city, ______by mountains and the Pacific Ocean.
| A．surrounding | B．surrounded |
| C．being surrounded | D．is surrounded |
We must do whatever we can _____ the river _____ any more.
| A．to keep; polluted | B．to prevent; being polluted |
| C．keep; polluted | D．prevent; being polluted |
Rather than _____ at home, he always prefers _____ sports on the open air.
| A．stay; have | B．staying; to have |
| C．to stay; having | D．stay; to have |
Look! There are some birds _______ in the sky. They are very beautiful.
| A．to fly | B．fly |
| C．flying | D．flown |
Most supermarkets in Shanghai have stopped free plastic bags in the past few years.
| A．provide | B．to provide |
| C．providing | D．provided |
--- How is Tom now?
--- I hear the company _____ him a good job, but he refused it.
| A．provided | B．offered |
| C．passed | D．introduced |
Sarah, you’d better drink more water after ______ for such a long time.
| A．run | B．runs | C．to run | D．running |
When you leave , please turn off the lights energy.
| A．save | B．to save | C．saving | D．saved |
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