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1.there's little time left .i 'm afraid we have t

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1.there's little time left .i 'm afraid we have t
o make a decision as soon as possible.请问此句中的left做什么词性?make a decision 能换成 decide?
2.()the children have fun ,parents can take dance lesson on the beach.
A when B if C while D once另译这个句子
3.it is not safe to get into the house ().进入着火的房间不安全的.请问括号处是填 on fire 还 是 catch fire.
4.has Tom finished his homework yet?sorry,i don't know ,but just now he ()his homework.A did B was doing C has done D is doing
5.do you know what to do first when we burn ourselves.请问ourselves能不能去掉
6.did you see Mr Black just now yes,he () his car when i met him.
A parked B was parking C parks D will park 另park 应该是短暂性动词吧
1 . left是动词的过去分词用作形容词做后置定语,修饰time make a decision 能换成 decide是可以的.2 C 孩子们再玩,家长却在在海滩上上舞蹈课3 on fire 着火,表状态 catch fire. 生火4 B was doing5 不能,去掉后 burn缺失宾语6    B was parking
意思是:你刚才看到Mr. Black了吗?
             是的,我看到他时他正在停车!
park 是不是短暂性动词我在大纲上没找到啊,应该是吧,不过进行时可以表示动作的延续.