the people must do everything they can－－ -waste water from r

学习时间:2026-08-12 07:23:06 阅读：7424

the people must do everything they can－－ -waste water from running into riversA keep B kept C to keep D keeping怎么回答,

迷路的心情

2026-08-12 07:23:06

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选Cmust do sth to do sth。该题考查to do不定式。表示目的。再问：与can无关吗？再答：没有关系，they can是定语从句，修饰everything。