( )(3)当对方介绍迈克是你的朋友,可以说:A. He’s Mike. B. This is my friend, Mike.
We need more trees.A. plant B. to plant C. planting
听音,选出你所听到的单词。( )(1)A . clean B. cool C. keep D. car( )(2)A . hot B. hotter C. get D. getting( )(3)A .building B. changing C. singing D. interesting( )(4)A .plant B. down C. become D. long( )(5)A .spring B. air C. fresh D. rice
Planting trees good for us.A. am B. is C. are
Trees can keep the air . A. clean B. beautiful C. hot
I should my little sister.A. take care B. look like C. look after