【单选题】【消耗次数：1】
游戏发生、发展有六个阶段，反射练习期是( )
①
0-1个月
②
2-4、5个月
③
4、5-9个月
④
9、10-11、12个月
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警告的政务处分期限是六个月。
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There was a knock at the door. It was the second time someone ＿＿＿＿＿ me that evening.
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to have interrupted
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would have interrupted
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to interrupt
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had interrupted
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He didn’t show up at the party yesterday. He ＿＿＿＿ in the lab.
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must have been busy working
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must be busy wording
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must be busy to work
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would have been busy working
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Marlin is an independent man who is not about ＿＿＿＿＿ on his parents any more.
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having relied
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to rely
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relying
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to have relied
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It ＿＿＿＿＿ for over a month and the downpour had damaged many houses.
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has rained cats and dogs
②
has been raining heavily
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rained heavily
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had been raining cats and dogs
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Between 1897 and 1919, at least 29 motion pictures ＿＿＿＿＿ .
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have been produced
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had been produced
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had produced
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At the age of twenty-three, Emily ＿＿＿＿＿＿ a businessman of her own choice.
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had been married
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had married
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married
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In order to improve English, ＿＿＿＿＿＿.
①
Jane’s father bought her a lot of tapes
②
Jane bought a lot of tapes for herself
③
a lot of tapes were bought for her by Jane’s father
④
a lot of tapes were bought by Jane
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I ＿＿＿＿＿＿ to stay here if I can.
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have been meaning
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mean
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am meaning
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have meant
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They had only ＿＿＿＿＿＿＿＿＿ in that house for three weeks when fire destroyed it.
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to live
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living
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lived
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been lived
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In the USA, he made a lot of friends ＿＿＿＿＿＿ English well so he could make himself ＿＿＿＿＿＿.
①
learn, understand
②
to learn, understood
③
learning, understood
④
learn, understanding