1.We must keep the classroom c________.
2.China has p________a lot of clothes and food for the people in Sichuan.
3. He is often late for school. Who knows the r_________?
4.Lei Feng is a good e_______ for us.
5.My uncle is a _________(研究)worker.
6.It’s __________(主要地)because of the traffic accident.
7. All the people in the world love __________(和平)
8.The s__________ is getting helpful for them.
