we must do everything we can to keep the balance of the naturecan_英语解答

we must do everything we can to keep the balance of the nature
can 后面不是要动词原形么,怎么还有to啊?以上.

人气：412 ℃　时间：2019-11-19 10:06:09

解答

we must do everything （that）we can to keep the balance of the nature
句中省略了that,we can 是修饰everything的定语从句