Our English teacher has son.
A. a 8-year-old B.an 8-years old. C.a 8-year-old D.an 8-year-old
I saw them ___football on the playground when I passed by.
A. playing B. were playing C. played D. to play
Every day we spend half an hour morning exercise。
A. do B. to do C. for doing D. doing
The building is the second in our town。
A. high B. highest C. higher D. the most highest
人类只有一个地球，这是我们赖以生存的地方，所有保护地球是我们义不容辞的责任，那么我们应该怎样从身边的小事做起，来保护我们的环境，拯救地球呢？
（1）提示短语： keep …… clean/tidy throw away rubbish spit（吐痰） turn off the lights
（2）80词左右（共15分）
What shall we do to protect the world
请以学校图书馆规则为题写一篇短文，至少五点建议（30字左右）
The rules in the school library
