Choose the best options to complete the sentences.
which is partly caused by exhaust fumes from cars, is a
big cities across the world.
d by exhaust fumes from cars, is a very big problem in many
a) Smoke
b) Smell
c) Smog
occurs when pollution in the air is absorbed by water droplets in clouds.
a) Acid rain
b) Fossil
c) Pollution
3) Everyone should learn to
to do this.
energy. Using lights/lamps only when needed is a good way
a) concern
b) converse
c) conserve
4) Animal species that no longer exist are called
a) endangered
b) extinct
c) dead
5) Scientists say that before we
_oil we will have moved to alternative fuels.
a) run out of
b) use up
c) cut down
6) She buys too many things. She
all her money long before her next pay.
a) will be spending
b) will have spent c) will have been spending
7) At the current rate, temperatures by 3 or 4 degrees by 2050.
a) will have increased b) will increase c) will be increasing
8) I my homework when my father comes home.
a) will be doing
b) am going to do c) am doing
9) If you mix water and electricity, you
shock.
a) will get
b) get
c) will be getting
10) I hope all the irregular verbs before the exam.
a) will learn
b) are going to c) will have learnt
11) World leaders World leaders in Geneva tomorrow to discuss the issue of over
popullation.
a) meet
Bb), are meeting c) will meet
12) Unless we our emmisions to almost zero, the global temperature to rise.
a) don't reduce, will continue
b) will reduce, will countinue
c) reduce, will continue
