While ____the dog, you should take care not to ____.Otherwise, it may be dangerous to strangers.
| A．walking; get loose | B．walk; be loose |
| C．walking for; get it loose | D．training; get it run |
相关试题
The English in the future will be quite different from the English of tod
ay. It is possible that some English words may even ________ completely.
| A．die down | B．die out | C．die off | D．die of |
Rainforests __________ and burned at such a speed that they will disappear from the earth in the near future.
A．cu t |
B．are cut | C．are being cut | D．had been cut |
_______ the rain falling so hard, it becomes more and more difficult to carry on the rescue work.
| A．Since | B．As | C．With | D．For |
At a beach or a swimming pool a lifeguard is a person who is responsible for __________ other swimmers and protecting them from accidents.
| A．turning to | B．watching over | C．watching out | D．digging out |
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