1.My mother (collect) stamps as her hobby.

1.My mother (collect) stamps as her hobby.
2.Please keep (quietly) in class.
3.I choose (hike) to the mountain with my friend.
4.The traffic policeman (deal) with the traffic accident soon.
5.The boy does everything (careful) so he is perfect.
6.(Play) chess needs a good memory.
7.People often (stand) in line to get on the bus.
8.I will stay at home if it (rain) tomorrow.