Write complete sentences with the given words

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IV. Write complete sentences with the given words.
1.
The USA/ most exciting/ country/ world.
2.
English/ most difficult/ subject/ school.
3.
Cheaper/ go/ by/ car/ train.
4.
Motorbike/ good/ comfortable/ than/ bicycle.
5.
August/ best/ month/ climb up/ Mount Fuji.
6.
Polar bears/ largest/ predators/ land.
7.
Life/ big cities/ noisy/ than/ life/ country.
8.
Gatwick/ far/ from my house/ than/ Heathrow.
9.
Neptune/ furthest/ planet/ the sun.
10.
Killer whales/ big/ fast/ than/ great white sharks.