Let ________ clean the classroom.A. I B. me C. we
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
The children enjoy games.A. play B. plays C. playing