【单选题】【消耗次数：1】
22. The two old sisters，_______ so long，held each other and burst into tears．
①
beingseparated
②
havingbeenseparated
③
havingsepartated
④
hadbeensepartated
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9. They have ______ each other for a long time.
①
corresponded on
②
corresponded with
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communicated with
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【单选题】
So little ____ with each other that the neighbors could not settle their difference.
①
agreed did they
②
did they agree
③
they agree
④
they did agree
【判断题】
These two chemicals ____interact_____ with each other at a certain temperature to produce a substance which could cause an explosion.
①
正确
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Tom and Mary ___________ each other.
①
keep apart
②
are in love with
③
none other than
④
in a whisper
【判断题】
判断线上的内容是否正确：These two chemicals ____interact_____ with each other at a certain temperature to produce a substance which could cause an explosion.
①
正确
②
错误
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