将对应的英文翻译序号写在桃心里。
| A．去公园 | B．看书 |
| C．一个好主意 | D．去游泳 |
（1） a good idea （2）go swimming
（3） read my books （4） go to the park
Look, Sam is starting a poster.
A.makes B.to make C.make
Plastic bagsthe park messy and dirty.
A. make B. makes C.making
To keep the air clean,don’tto work every day.
A. walk B. ride C. drive
Weplasticbags and bottles.
A. use,make B.to use,to make C. use,to make
use too much plastic.
A. Can’t B. Shouldn’t C. Don’t