题目内容：

改写句子 根据各小题A句的意思完成B句，使两句的意思基本相同。每空限填一个单词。

1.A: Jack studies English by working with friends.(对划线部分提问)

B:                     Jack study English?

2.A: How did Shen Nong invent tea?(改为被动语态)

B: How         tea         by Shen Nong?

3.A: “Do you have your own room?” He asked.(改为宾语从句)

B: He asked         I        my own room.

4.A: I happened to meet an old friend of mine in the street yesterday.(改为同义句)

B: I met an old friend of mine                    in the street yesterday.