WB:U7-EX12
4.Cher has been makeing albums for fourteen years
5.Jim Carey has been acting comedy films since 1977
WB:U7-13
1)always made
2)was warked
4)has lived
5)has maked
6)has played
7)has been practising
WB:U8-EX7
1.had returned
2.didn't went
3.had waterned
4.turned off
5.already made
6.washed
7.had never seen
8.rang
9.taken
10.had gone
11.didn't wont
12.locked
13.already had
14.cut
SB:U10-EX1
fall and hurt themselves-c
drink them and poison themselves-b
get an electric shock-g
burn themselves-f
scald themselves-a
cut themselves-e
full in and drown -b
SB:U10-EX3
1a
2b
3a
SB:U10-Ex4
1.cleaning
2.sharp
3.electrical
4.shock
5.fire
6.gates
SB:U10-EX5
1.cut
2.scald
3.poison
4.drown
5.burn
6.hart
SB:U10-EX6
1.in
2.scald
3.poison
4.drown
5.burn
6.hart
SB:U10-EX8
a)I-my self
you-your self
he-himself
she-herself
it-itself
we-ourself
you-yourself
they-themselves
b)1.knife yourself
2.himself
3.wrong my self
4.party themselves
5.herself
SB:U10-EX9
1A
2C
3D
4B
5E
SB:U10-EX10
1-c
2-d
3-a
4-b
5-e
SB:U11-EX6
1 ban
2 air
3 traffic
4 acid
5 public
6 logging
7.species
8 plant
9 safely
11 basic
12 safely
SB:U11-EX7
1.improve
2.breathe
3.created
4.hunt
5.destroys
6.causes
SB:U11-EX11
1.If we all used bicycles, there wouldn't be so much air pollution.
2.If there be mored bins in towns and cities, there woildn't be so much litter on streets.
3.If we wouldn't pollute lakes and rivers, we have cleaned drinking water.
4.If we recycled all of our waste, rubbish wouldn't pollute environment.
5.If we stopped cutting down rainforests, fewer plants and animals die.
SB:U11-EX12
1.took
2.would be
3.asked
4.didn't drop
5.went
6.stopped
7.wouldn't be
8.walked
9.didn't use
10.would be
SB:U11-EX14
1.We can save the water from our baths and use it for the garden.
2.Govertments can help by passing laws to stop factories from wasting and polluting water.
3.If factories recycled water.
4.If factories stop factories from pouring chemicals into lakes and rivers.
5.Govertments could also stop water companies from wasting millions of litres of water because of leaking pipes.
SB:U11-EX16
1b
2c
3c
4a
SB:U12-EX5
1.theme
2.reception
3.flying
4.raing
5.hotel
6.satellite
7.family
8.ideal
9.price
10.current