根据at seven yesterday morning可知此处用过去进行时,主语you,故谓语用were doing,第三空主语是I,故谓语用单数形式,故为was taking。 【21】to call 句意:我等着他大声喊出获胜者。wait for sb to do sth“等着某人做某事”,故用动词不定式to call。 【22】thinking 句意:因为我非常害怕,在那之...
"when"和"while"都是英语中的从属连词，在句子中连接一个从句和一个主句，起到时间关系的作用，但在使用时有一些不同："when"表示两个事件发生的时间是相互关联的，一个事件发生后另一个事件立即发生。例如：When I arrived at the airport, the plane had already taken off. （当我到达机场时，...
___his homework,there was a call for him.( )A.While doingB. When doingC. DoingD. While he was doing 答案 该题为时间状语从句,因为主语中为there be句型,所以状语从句中的主语和be动词是不能省略的,所以用while来引导该状语从句.故选:D.相关推荐 1___his homework,there was a call for him...
1、作为副词时，意为什么时候;何时;什么情况下;什么场合下;(用于时间的表达方式之后)在那时;其时;当时;当场。例句：When did you last see him?你上次什么时候见到他的？Sunday is the only day when I can relax.星期日是我唯一可以休息的日子。The last time I went to Scotland was in May,...
After waiting for a while, I decided to call him. Just as I took out my phone, I saw him coming towards me. He said he ___ been caught in traffic. A. has B. had C. have D. having 相关知识点: 试题来源: 解析 B。“said”是过去时态,“被堵在路上”发生在“said”之前,过去的...
二、when用法 1、作连接副词，引导名词性从句或不定式，意为“什么时候”。从句使用陈述句语序，时态根据实际情况而定。如：I'd like to know when they will come. 我想知道他们什么时候来。（ when 引导宾语从句）2、作疑问代词，常和介词 since， till， up to 等连用，意为“什么时候”。如...
20、 ②When ／While ／As she was making a phonecall，I was writing a letter．（make为延续性动词）当她在打电话时，我正在写信。21、 3．当主句、从句动作同时进行，从句动作的时间概念淡化，而主要表示主句动作发生的背景或条件时，只能用 as。22、这时，as常表示“随着……”；“一边……...
②When ／While ／As she was making a phonecall,I was writing a letter．（make为延续性动词）当她在打电话时,我正在写信.3．当主句、从句动作同时进行,从句动作的时间概念淡化,而主要表示主句动作发生的背景或条件时,只能用 as.这时,as常表示“随着……”；“一边……,一边……”之意.① As...
相反，瞬间性动词，就是一瞬间就完成的动作，不能延续。比如起床 get up，眼睛一睁，起床的动作就完成...
8. ___ Jake was waiting at the door, an old woman call ed 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. ...