11. After John(wash) .............his own clothes, he went to school.
12.Daisy............(wait) for one hour before the bus came.
13.We collected our papers after we............(do) the test.
14. My father............... (work) at the bank for ten years before he retired.
15. Mark(leave).............. the room when I walked in.
16.Linda went to the market because she............... (run) out of food.
17.When I got there, my friend........ .......(eat).
11. After John(wash) .......had washed......his own clothes, he went to school.
12.Daisy......had waited/ had been waiting......(wait) for one hour before the bus came.
13.We collected our papers after we.....had done.......(do) the test.
14. My father........had worked....... (work) at the bank for ten years before he retired.
15. Mark(leave).......had left....... the room when I walked in.
16.Linda went to the market because she.......had run........ (run) out of food.
17.When I got there, my friend........had eaten .......(eat).
11. After John had washed his own clothes, he went to school.
12.Daisy had waited for one hour before the bus came.
13.We collected our papers after we had done the test.
14. My father had worked at the bank for ten years before he retired.
15. Mark had left the room when I walked in.
16. Linda went to the market because she had run out of food.
17. When I got there, my friend had eaten.
Chúc bạn học tốt 
!
