when和while区别及专项练习题.doc

when和while用法区别专项练习 讲解三例句： 1. The girls are dancing while the boys are singing. 2. Kangkang’s mother is cooking when he gets home. 3. When/While Kangkang’s mother is cooking, he gets home. 一、用when或者while填空 1.______?Margo?was?talking?on?the?phone, her?sister?walked?in.? 2.______?we?visited?the?school, the?children?were?playing?games.? 3.______?Sarah?was?at?the?barber’s, I?was?going?to?class.? 4.______?I?saw?Carlos, he?was?wearing?a?green?shirt.? 5.______?Allen?was?cleaning?his?room, the?phone?rang.? 6.______?Rita?bought?her?new?dog; it?was?wearing?a?little?coat.? 7. He?was?driving?along?________?suddenly?a?woman?appeared.? 8.?_____?Jake?was?waiting?at?the?door,?an?old?woman?called?to?him.? 9. He?was?reading?a?book?______suddenly?the?telephone?rang.? 10.?______?it?began?to?rain,?they?were?playing?chess.? 二、用所给动词适当形式填空 11. While?Jake?__________ (look)?for?customers,?he?_______ (see)?a?woman.? 12.?They?__________ (play)?football?on?the?playground?when?it?_____ (begin)?to?rain.? 13. A?strange?box?________ (arrive)?while?we?_________?(talk).? 14.?John?____________ (sleep)?when?someone?__________ (steal)?his?car.?? 15. Father?still? (sleep) when?I (get) up?yesterday?morning.? 16. Grandma ?(cook)?breakfast?while?I? (wash)?my?face?this?morning.? 17. Mother? (sweep) the?floor?when?I? (leave) home.? 18. I? (read)?a?history?book?when?someone? (knock)?at?the?door.? 19. Mary?and?Alice?are?busy ?(do) their?homework.? 20. The?teacher?asked?us? (keep)?the?windows?closed.? 21. I?followed?it? (see) where?it?was?going.? 22. The?students (play) basketball?on?the?playground?from?3?to?4 ?yesterday?afternoon.? 三、完成下面句子，词数不限 ?1.飞机在伦敦起飞时正在下雨。 It when?the?plane in?London.? 2.你记得汶川大地震时你在做什么吗？ Do you remember what you when Wenchuan Earthquake . 3.当铃声想起的时候，我们正在操场上玩得很开心。 ? We on?the?playground?when?the?bell