* we should _____our classroom every day to kee* we should _____our classroom every day to keep it _____a.clean clean b.cleans cleanc.cleaned cleanedd.clean cleaned* climbing the hill will be _____a.great funb.a great func.great funnyd.very funny* here comes the bus.let us_____a.get on itb.get it onc.to get on itd.to get it on
问题描述：
* we should _____our classroom every day to kee
* we should _____our classroom every day to keep it _____
a.clean clean
b.cleans clean
c.cleaned cleaned
d.clean cleaned
* climbing the hill will be _____
a.great fun
b.a great fun
c.great funny
d.very funny
* here comes the bus.let us_____
a.get on it
b.get it on
c.to get on it
d.to get it on
答
keep shoud +doa 因为It is fun It is great fun 真是开心的事a. get on. 上车 ,此时get on 不可分开 如...