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    when, while , as, before, after, since, until, as soon as. (1) 当主语是一般将来时或祈使句或有情态动词时.从句用一般现在时.“主将从现 I’ll ring you as soon as I get to school. 我一到学校就打电话给你. (2) 肯定句:until = till 直到 I’ll wait for you until you come back. 否定句:until = before not -. until 直到-.才-- I didn’t go to bed until I finished my homework.. 【查看更多】

     

    题目列表(包括答案和解析)

    选词填空。

    An accident happened ________(when, while)the plane arrived at the airport．

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    选词填空。

    My mother is a teacher ________(when, while)my father is a doctor．

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    I'll be upset ________ someone talks to me ________ I'm reading.    
    [     ]
    A. when;while    
    B. while;when    
    C. when;when    
    D. while;while

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    请用when, while 填空：

    1. ________ May was talking on the phone, her sister walked in.

    2. ________ Rita bought her new dog, it was wearing a little coat.

    3. ________ I saw Carlos, he was wearing a green shirt.

    4. ________ I was dancing, he was singing loudly.

    5. ________ Helen came back home, her brother was watching TV.

     

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    —______ did you become interested in playing chess? 
    —______ I was still a little boy, ______ the age of five years old, I began to learn it.        
    [     ]
    A. While, When, at  
    B. When, When, on 
    C. When, When, at   
    D. When, While, on

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