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8. Daniel and Mathew ___________ electricity at 13. I. _________, get some seeds.
home.
II. _________, dig a hole.
A) shouldn’t to waste B) has to waste
III. __________, put the seeds into the hole and
C) mustn’t waste D) doesn’t have to waste cover with some soil.
IV. ___________, water the seeds.
Which option is suitable for the last gap?
Answer the questions (9-10-11) according to the A) Next B) After that
text below.
C) Finally D) Then

I’m very worried about the future
of our planet (9)__________ there
are many environmental problems.
Some human activities cause these 14. I. People must to stop destroying rainforests.
problems. I think deforestation is II. I think you should recycle these materials.
one of the most serious problems in III. Kate doesn’t have to clean your room.
the world. We (10)________ plant
trees to solve this problem. Burning IV. We shouldn’t release greenhouse gases into
fossil fuels and releasing greenhouse the atmosphere.
gases are two main causes of global In which sentence, there is a grammatical
Nick warming. We must (11)_______ these mistake?
harmful activities before it is too late.
A) I B) II C) III D) IV
9.
A) but B) because
C) so D) and

15. People ___________ something to save
endangered animal species.

10. Which of the following CAN NOT complete the
sentence?
A) should B) must to
A) must do B) have to do
C) has to D) doesn’t have to
C) should do D) has to do
11.
A) stopping B) to stop
C) stop D) to stopping

12. We shouldn’t pollute rivers, lakes and seas. We 16. I. Stop polluting water!
must keep them clean but some animal species II. You has to keep the environment clean.
live in lakes, rivers or seas.
III. Hannah have to start a campaign against the
Which underlined word is grammatically noise pollution in her town.
WRONG?
IV. Don’t throwing these glass bottles because
A) shouldn’t they are recyclable!
B) and In which sentence, there IS NOT a grammatical
C) keep mistake?
D) but A) I B) II C) III D) IV

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