Don’t spit in the classroom.
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Yesterday, I put up a poster on the back wall.
A. 地图
B. 年画
C. 设计
D. 张贴画
Listening to BBS news is a good way to learn English.
A. 道路
B. 方法
C. 某方面
D. 方向
How can we fight against pollution at school?
A. 打架
B. 战争
C. 与…作斗争
D. 敌对
Pollution is a __________ (grow) problem.