I

1, They were playing tennis at 10.30 yesterday morning.

2, Ann was doing homework at 5 o’clock this afternoon.

3, My father was washing his car from five to six.

4, This time last year, we were living in France.

5, The students were offering flowers to the visitors.

6, I was cooking dinner half an hour ago.

7, She was working in the studio at that time.

8, What were you doing from 3 to 6 yesterday afternoon?

9, I was writing my report at 8 o’clock last night.

II

1, rang; was watching

2, were (you) driving; happened

3, were making; arrived

4, went; were having; came

5, were (you) doing; was working

6, began; was sitting

7, was; were leaving; fell

8, saw; were trying

9, was walking; felt; didn’t know

10, were driving; appeared