people often throw rubbish onto the bins and it p_____ them

people often throw rubbish onto the bins and it p_____ them 英语问题throw away后面应该有名词,但是由WHICH代替,这种叫什么语法啊forest fires are often caused by broken grass of cigarette ends which people carelessly throw away. Please help me translate the following English.Thank you very much!People often throw things around.They throw paper in the streets.They throw cans and bottes in parks.But many of the things can be ufed again.we mustn't throw them away.Mike is pickin 帮忙找错People throw canswithbottles in parks? In China, flowers come out the spring. People often go hiking, kite, hot summer weather, it often r People often go to the park to r（填单词） at the weekends throw throw (THROW throw throw throw throw throw people often collect often throw sth around the board P 120 Some people often throw rubbish in the street.That's bad!I think it's very important for us_____A to keep the environment clean B to be polite为什么是A People in glasshouses should not throw stones的意思