一定要说明理由1.Withouttrees,ourearthwillbetoohotforusto.A.liveinB.liveC.livingonD.liveon2.Foreverytreestoday,30treescutdown.A.beplanted,arebeingB.planted,areC.beingplanted,arebeingD.beingplanted

Question

一定要说明理由
1.Without trees,our earth will be too hot for us to _____.
A.live in B.live C.living on D.live on
2.For every trees _____ today,30 trees _____ cut down.
A.be planted,are being B.planted,are C.being planted,are being D.being planted,are
3.Please help that old man ______ that heavy bag.
A.carry B.carries C.to carry D.carrying
4.The weather in spring is much _____ than that in autumn.(change)
5.Nobody likes ______ dirty air.(breathe)

Answer 1

1.D on the earth
2.C 其实我觉得这个不是最佳答案 但能选的就这个了 A:should be "to be planted" instead B & D:"are being" means it's going to be
3.A help somebody do something 省to不定式
4.changeable?
5.to breathe like to do something