We must stop people from ___(throw)rubbish into the river

We must stop people from ___(throw)rubbish into the river we must stop people from _______ the rubbish ______ the sea To make the river clean,rubbish must _____(not throw)into it The river smells terrible.People must ___ dirty things into We should keep people from ( ) (throw) rubbish everywhere We must prevent people from _(pollute) the river. people put the rubbish into the river.and there Much rubbish ____ (throw) into the river every year ,so it _ actions must--------(take) to stop rubbish -------(throw) ab 1.the river smells terrible.people must ( )dirty things into we should stop the ()(swim) from swimming in the river 根据开头的字母填空we must keep people from (t ) dirty things into the