初一英语it is not good to _______dirty water into the river.

初一英语it is not good to _______dirty water into the river. It is wrong of them to ________ dirty water into the river o 1、The river is about __deep.Be careful not to fall into it 【 It is not good to put onlt a little water in the fish tank It ' s wasteful to ＿＿ clean water into the river . it's wrong to__the dirty water into the river To make the river clean,rubbish must _____(not throw)into it -----it is to jump into the river to swim in summer!A How fu _____ it is to jump into the river to swim in summer. it is not good() to play on the old people It's not good to get into the habit of telling lies. _____it is to jump into the river in summer!