1、the oil from ships causes sea pollution 变为被动语态

1、the oil from ships causes sea pollution 变为被动语态
2、we speak chinese in china 变为被动语态
3、the workers make many kinds of machines in that factory 变为被动语态
4、rice is grown in south china变为主动语态
5、a lot of waste is produced by people every day变为主动语态
6、pollution is not cared about by them at all 变为主动语态
对划线部分（括号里）提问
i haven‘t seen her （since i left for china）
用at 8 yesterday evening改写句子
the twins are watching tv now
变为i don’t know的宾语从句
who is he waiting for?
用both.and.合并成一个句子
joy likes volleyball.
Lily likes volleyball ,too.