用when或while填空完成下列句子:1.i visited the museum of history —— i was studying in shengyang2.i took a photo of the alien ___it came out.3.students stopped talking __the teacher came into the classroom.4.____my mother was cooking,my
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![用when或while填空完成下列句子:1.i visited the museum of history —— i was studying in shengyang2.i took a photo of the alien ___it came out.3.students stopped talking __the teacher came into the classroom.4.____my mother was cooking,my](/uploads/image/z/14695948-28-8.jpg?t=%E7%94%A8when%E6%88%96while%E5%A1%AB%E7%A9%BA%E5%AE%8C%E6%88%90%E4%B8%8B%E5%88%97%E5%8F%A5%E5%AD%90%EF%BC%9A1.i+visited+the+museum+of+history+%E2%80%94%E2%80%94+i+was+studying+in+shengyang2.i+took+a+photo+of+the+alien+___it+came+out.3.students+stopped+talking+__the+teacher+came+into+the+classroom.4.____my+mother+was+cooking%2Cmy)
用when或while填空完成下列句子:1.i visited the museum of history —— i was studying in shengyang2.i took a photo of the alien ___it came out.3.students stopped talking __the teacher came into the classroom.4.____my mother was cooking,my
用when或while填空完成下列句子:1.i visited the museum of history —— i was studying in shengyang
2.i took a photo of the alien ___it came out.3.students stopped talking __the teacher came into the classroom.4.____my mother was cooking,my father was sending e-mails on the computer.5.what happened ____the girl was shopping?[说清做题技巧,即when和while的区别】
用when或while填空完成下列句子:1.i visited the museum of history —— i was studying in shengyang2.i took a photo of the alien ___it came out.3.students stopped talking __the teacher came into the classroom.4.____my mother was cooking,my
1. while/when 2.when 3. when 4. While/When 5. when/while
when: 当...的时候, 其动词可用延续性动词(如:cook, shop ,study ),也可用非延续性动词(如: come ),
表示从句中的动作可发生在主句之前,也可与主句的动作同时发生.
while: 正当...的时候, 其谓语动词只能使用延续性动词(如:cook, shop ,study ),表示从句的动作与主句的动作同时发生.(如: 上面的 1, 4. 5 题). 从句中只能用进行时态.