用括号中动词的正确形式填空 新概念2

题目

用括号中动词的正确形式填空 新概念2
1.As my father (leave)the house,the postman (arrive).
2.Tom (work)in the garden while I (sit)in the sun.
3.As I (walk)down the street ,I (meet)charlie.
4.While he (read)the letter,he (hear)a knock at the door.
5.while mother (prepare)lunch ,Janet (set)the table.
6.She (dorp)the tray when I (speak)to her.

答案

was leaving arrived
was working was sitting
was walking met
was reading heard
was preparing was setting
dropped was speaking