介词填空

Recent pressure at work may account ________ his strange behavior．

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You can’t enter a military base without a ________(permit)．

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Time ________(permit), we’ll go to have a picnic at the top of the hill．

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Today the patients can have the doctor’s ________(permit)to go home．

填入正确的动词形式

We don’t permit ________(play)basketball in the playground between six and ten in the morning．

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The lake is a very dangerous for young children, of course I don’t allow anyone ________(swim)．

根据句意和本单元学过的内容，填入适当的介词或副词

We can benefit _________ their deeds．

根据句意和本单元学过的内容，填入适当的介词或副词

How do you keep in touch _________ your friends?

根据句意和本单元学过的内容，填入适当的介词或副词

Her mother looks young, but _________ fact, she is _________ her forties．

根据句意和本单元学过的内容，填入适当的介词或副词

He did not look forward _________ being _________ debt because his restaurant was no longer popular．