用适当形式和when、while填空They____(eat)dinner_____someone_____(knock)at the door just nowI___(meet)an old friend____I____(walk)in the street one hour agoThe TV____(catch)fire___they_____(work)yesterday

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用适当形式和when、while填空They____(eat)dinner_____someone_____(knock)at the door just nowI___(meet)an old friend____I____(walk)in the street one hour agoThe TV____(catch)fire___they_____(work)yesterday
用适当形式和when、while填空
They____(eat)dinner_____someone_____(knock)at the door just now
I___(meet)an old friend____I____(walk)in the street one hour ago
The TV____(catch)fire___they_____(work)yesterday

用适当形式和when、while填空They____(eat)dinner_____someone_____(knock)at the door just nowI___(meet)an old friend____I____(walk)in the street one hour agoThe TV____(catch)fire___they_____(work)yesterday
They were eating dinner when someone knocked at the door just now.
I met an old friend while I was walking in the street one hour ago.
The TV caught fire while they were working yesterday.

用适当形式和when、while填空They____(eat)dinner_____someone_____(knock)at the door just nowI___(meet)an old friend____I____(walk)in the street one hour agoThe TV____(catch)fire___they_____(work)yesterday 用适当形式和when、while填空She_____(take)a shower_____the telephone____(ring)yesterdayIt____(start)to rain____I_____(walk)to school two days ago_____he_____(arrive)at the airport just now,his friends___(wait)for them what___you___(do) when I phoned you.用适当形式填空 用适当形式填空 用适当形式填空! 用适当形式填空 用适当形式填空 用适当形式填空 用适当形式填空, 用适当形式填空 用适当形式填空 用适当形式填空 用适当形式填空 用适当形式填空! 用适当形式填空, 用适当形式填空, (用be的适当形式填空)（ ）yesterday April 10th? he looked upset while hearing the_____news用against的适当形式填空