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过去进行时态中的句子中when和while后面什么时候加过去式什么时候用过去进行时? 英语

She entered the room ( )I was watching TV.请问括号里填when还是whilewhen和while都可以加do或者doing 英语

While he was working,she _____.A\sleep.B\was sleeping C\sleeping D\slept .为什么答案是B,D不何不行呢英语

求解决一道英语选择题 While he was ----about in the street,he met an old friend by chance.选项；A.wandering B.wondering C.wondered D.wan 其他

ered

I was just about to go out ___ the bell ranga.while b.when都有在.的时候,为何不能选A呢? 英语

He was about to go to bed__the door bell rang.A.while B.as C.before D.when 其他

帮忙英语美句赏析 1 However,while the majority of British men are still struggling to open up emotionally ,an increasing number are no longer e 英语

barrassed to s

she still doesn't know what___in her hometown while she was awayA.happend B.happens C.is happening D.,was happened 英语

____ she came in,i was writing a letter A when B while C since D where 英语

单项选择有疑问.Thwjourneywasterrible,butwe'darrivedwehadawonderfultime.A：asB：onceC：sinceD：while我选C错了英语

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