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英语知识用if/whether连接宾从一、DoyouknowCanhecomehereontime?二、Canyoutellme?Whocanrunfastestinclass?三、CanyoutellmeWhatistheadvantageofwesternfastfood?四、Doyouknow?Isitpolitetoeatupthefoodon

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英语知识
用if/whether连接宾从 一、Do you know Can he come here on time?二、 Can you tell me?Who can runfastest in class?三、 Can you tell me What is the advantage of western fast food?四、Do you know?Is it polite to eat up the food on your plate?您还有20财
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1.Do you know if he can come here on time>
2.Can you tell me who can running fastest in class?
3.Can you tell me what the advantage of western food is?
4.Do you know if it is polite to eat up the food on your plate?
确保正确,