1. When my father (come) home, I ( have) dinner. 2. When Alice (return), I ( listen) to the radio.
3. When mother ( enter) his room, he ( draw) a picture.
4. When my sister (come in), I (do) my lessons.
5. When her aunt (air) the room, she ( catch) cold.
6. When I (meet) her, she (go) to the office.
7. He (wash) his face when somebody ( knock) at the door.

1) came, has

2) returned, listened

3)entered, drew

4) came in, did

5) aired, catched

6) met, went

7) washed, knocked

1. When my father came home, I was having dinner.

2. When Alice returned, I was listening to the radio.

3. When mother entered his room, he was drawing a picture.

4. When my sister came in, I was doing my lessons.

5. When her aunt was airing the room, she caught cold.

6. When I met her, she was going to the office.

7. He was washing his face when somebody knocked at the door.