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16、The boy was busy doing his homework, only _______ once in a while to look out of the window．

A．stopping        B．to stop            C．stopped          D．having stopped

16、A

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科目：高中英語 來源： 題型：

The boy was busy doing his homework, only    ____  once in a while to look out of the window.

   A. stopping        B. to stop            C. stopped         D. having stopped

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科目：高中英語 來源： 題型：

27. The boy was busy doing his homework, only_____once in a while to look out of the window.

   A. stopping       B. to stop            C. stopped              D. having stopped

查看答案和解析>>

科目：高中英語 來源： 題型：

The boy was busy doing his homework, only _______ once in a while to look out of the window．

A．stopping        B．to stop            C．stopped          D．having stopped

查看答案和解析>>

科目：高中英語 來源：山東省日照市2010屆高三下學(xué)期第一次模擬考試 題型：單選題


27. The boy was busy doing his homework, only_____once in a while to look out of the window.

A．stoppingB．to stopC．stoppedD．having stopped

查看答案和解析>>

科目：高中英語 來源： 題型：

The boy was busy doing his homework, only 　　　 once in a while to look out of the window.

A. stopping　　　 B. to stop　　　　 C. stopped　　 D. having stopped

 

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