1.What were you doing when he arrived?(cook a meal)
- When he arrived I was cooking a meal.
2.What were you doing when he arrived?(wash the dishes)
- When he arrived I was washing the dishes.
3.What were you doing when he arrived?(work in the garden)
- When he arrived I was working in the garden.
4.What were you doing when he arrived?(type letters)
- When he arrived I was typing letters.
5.What were you doing when he arrived?(shave)
- When he arrived I was shaving.
6.What were you doing when he arrived?(boil the milk)
- When he arrived I was boiling the milk.
7.What were you doing when he arrived?(phone mu sister)
- When he arrived I was phoning my sister.
8.What were you doing when he arrived?(dust the bedroom)
- When he arrived I was dusting the bedroom.
这个题主要是把过去时转换成现在时,很简单的.
