We should not do bad things ____ our class.

We should not do bad things ____ our class. we should not do bad things ( ) our class.括号中应填for还是to We should not do bad things_our class填写,为什么?翻译 we should not do bad things____ our friends we ____ three new students in our class ,do you_____. we should ___ our bad habit of using things only once.A.thro the things we should do we should do our best to ____ germs bad,sometimes,do,to,planet,our,we,things（连词成句） Things do not change,we As students,we should do more ()(mean) things ,or our life w we should s(____)quiet in class