Question

求英语高手帮忙解题，急急急~~~~~

过去进行时与一般过去时
用括号中动词的正确形式填空
（1）As my father( )（leave)the house,thepostman( )(arrive)
(2)Tom( )(work) in the garden while I( )(sit)in the sun
(3)As I ( )(walk)down the steert I( )(meet) Charlie
(4)While he ( )( )read the letter, he( )(hear)a knock at the door
(5)While mother ( )(prepare)lunch.Jante( )(set)the table
(6)She( )(drop)the tray when I( )(speak)to her

Answer 1

（1）As my father( leaving )（leave)the house,thepostman( arrived )(arrive)
(2)Tom( is working )(work) in the garden while I( am sitting )(sit)in the sun
(3)As I ( walking )(walk)down the steert I( met )(meet) Charlie
(4)While he ( reading )( )read the letter, he( heard )(hear)a knock at the door
(5)While mother ( preparing )(prepare)lunch.Jante( set )(set)the table
(6)She( was dropped )(drop)the tray when I( spoken )(speak)to her