一.1-5 ABCAB
二 1-5 CACAB
三 1-5 observe,named,was erupting,managed,threatened
6-10 into,of,with,to,at
四1 help up,2.lifetime studing,3.pretending 4.prevent...from
5.driving licence
五.1.Though Li Fang is very busy,she is always helping others with their lessons.
2.Now that everybody is here,let us set out right away.
3.Do what you have been told or you will be punished.
4.I asked her to stay for tea because i had something to tell her.
5.I had no idea about it until he told me.
六.1-5.BDACB
七.1-5 CACCB 6-10 CCBAA
八.1-5BCACB