选出发音不同的单词。
（1）A. flower B. window C. how
（2）A. house B. mouse C. coup
（3）A. cool B. book C. school
（4）A. park B. class C. cat
（5）A. cry B. fly C. hungry
（6）A. mother B. brother C. birthday
Trees can keep the air.
A. clean B. beautiful C. hot
I should my little sister.
A. take careB. look like
C. look after
The children enjoygames.
A. play B. plays C. playing
Tree Planting Day is 12th March..
A. on B. atC. in
给下列短语选择正确的翻译。
（）（1）Tree Planting Day
| A．植水果树 （）（2）keep the air clean |
B．使我们保持凉爽 （）（3）plant fruit trees |
C．使这个地方漂亮 （）（4）make the place beautiful |
D．照顾 |
（）（5）look afterE.保持空气清洁
（）（6） keep us cool F. 植树节