英英匹配。从右栏中找出与左栏相对应的句子，将序号填入题前括号内。
We should not cuttrees. A. off B. upC. down
The weather is gettingin August. A. more hot B. hoterC. hotter
Trees can keepcool. A. usB. weC. our
We need more trees. A. plantB. to plantC. planting
听音，选出你所听到的单词。 （）（1）A . cleanB. cool C. keep D. car （）（2）A . hot B. hotter C. get D. getting （）（3）A .buildingB. changing C. singing D. interesting （）（4）A .plant B. down C. becomeD. long （）（5）A .spring B. air C. freshD. rice
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