choose the best answer(A, B, C or D)
1.If we_waste poper, we will save a lot of trees.
a.repeat b.recycle c.rewrite d.remark
2.you can save money while shopping by only buying_you need.
a.what b.this c.it d.that
3.what can we do_air pollution?
a.reduce b.to reduce c.reducing d.to reduing
4.why do you often forget to_the lights when you go of the classroom?
a.turn on b. turm off c.close d.shut down
5.if we plant more trees in the schoolyrd, the school will become a_place.
a.darker b.greener c.dirtier d.more polluted
6.do you think we should put a_bin in every classroom in order to keep it clean?
a.reusable b.recycled c.recying d.recyclable
7.my brother and i will give last year's clother to-instead of throwing them away.
ashop b.people c.chairity d.survey
8.next week our class is having a discussion about finding_ways to reuse old items before throwing them away.
a.interesting b.surprising c.useless d.creative
9.it is a good idea to_our clothes with our friends or cousin.
a.change b.swap c.turn d.send
10.if people turn off all electric appliances in one hur all over the worrl, they can save lots of_
a.electric b.electrical c.electrician d.electricty
11.you should put the food in a reusable box_plastic bags.
a.by b.instead of c.because of d.without
12.if we use_paper, we will save a lot of trees.
a.fewer b.less c.more d.much
13.don't throw rubbish intothe river becayse you will become_
a.greener b.dirty c.cleaner d.fresher
14.if there is a rubbish bin in every class, the classroom will become_
a.harmful b.lighter c.dirtier d.cleaner
15.if we all use_bags, we will help the environment.
a.new b.cheap c.reusable d.reduced
16.this newspaper is made of_paper.
a.recycle b.recycled c.old d.waste
17.please collect all the recyclable materials, and take them t the_
a.recycle b.recycled c.recyclable d.recycing
18.reduce, reuse, recycle is said to encourage people to waste less, bu using less and using things again, in order to_
a.harm b.damage c.pollute d.protect
19.these three Rs_reduce, reuce and recycle.
a.stwnd up b.stand for c.ask for d.means
20.if you have old clothes, will you give them to those_?
a.needs b.to need c.for needing d.in need
chon cau ra loi dung
1,what can we do...........air polution
a.reduce b.to reduce c.reducing d.to reducing
2,do you thing we should put a........bin in every classroom in order to keep it clean?
a.reusable b.recyced c.recycling d.poluted
3.it is a good idea to .......our clothes with our friends or cousins
a.change b.swap c.turn d.send
4,if people turn off all electric appliances in one hour all over tho word ,they can save lots of........
a.electric b.electrical. c.electrician d.electricity