用when把两个句子合并成一句1.Heknockedatthedoor.Iansweredthephone.2.Hecamesownstairs.Ihadbreakfast.3.Thephonerang.Iwashedthedishes.4.Thebossarrived.Shetypedaletter.5.Thetrainleft.Iboughtthetickets.6.Itrainedheavi

Question

用when把两个句子合并成一句
1.He knocked at the door.I answered the phone.
2.He came sownstairs.I had breakfast.
3.The phone rang.I washed the dishes.
4.The boss arrived.She typed a letter.
5.The train left.I bought the tickets.
6.It rained heavily.I drove to London.

Answer 1

1.He knocked at the door when I was answering the phone.
2.He came sownstairs when I was having breakfast.
3.The phone rang when I was washing the dishes.
4.The boss arrived when she typing a letter.
5.The train left when I was buying the tickets.
6.It rained heavily when I was driving to London.