I.choose the best answer a.b.c or d:
1.these three Rs_________ reduce,reuse and recycle.
a. stand up B.stand for C.ask for D.means
2.You should put the fool in a reusable box_______plastic bags
a.by b.instead of c.because of d.without
3.what can we do ______ air pollution ?
a.reduce b.to reduce c.reducing d.to reducing
4.That city is most famous______ its fashion shops
a.to b.with c.for d.of
5.Will he be free ?-____
a.No,he isn't b.No, he doesn't c. no, he won't d.No.he be not
6.I have a lot of homework, _________ I can't go out with you
a.because b.and c.but d.so
7.I don't agree ________you that robots will be able to write a letter to an English friend
a.of b.about c.to d.with
8.Robots will be able to ______ the personal computer in the future
A.do b.replace c.make d.recognise