题目内容：

根据句意和汉语注释，写出单词的正确形式。

1.Tourists， both from and _________(国外)， enjoy the delicious food in Wuxi.

2.He didn’t say anything to her， and she didn’t speak to him        (也).

3.People’s living ____________ (环境，条件) are better than before.

4.She’s ___________ ( 意识到 ) she is wrong at this matter， so she feels very sorry.