actions must--------(take) to stop rubbish -------(throw) ab

actions must--------(take) to stop rubbish -------(throw) ab We must take actions to stop factories ____ ____ ___ the far We must stop people from ___(throw)rubbish into the river To make the river clean,rubbish must _____(not throw)into it We aren't allowed to throw rubbish throw rubbish throw away rubbish 哪个对 throw the rubbish to the ground 还是on the ground We should not throw the rubbish ( ) to protect environment About the problem,we must take immediate actions. throw rubbish on the 是take actions to还是take action to It must be taken actions to do sth.和 Actions must be taken t