10.Life in the city is more stressful than life in the countryside.

11.Hung's brother doesn't drives as carefully as he does.

12.Some years ago the laboratory in my school was worse equipped than now.

13.Houses in the countryside are much cheaper those in the city.

14.My cousin sings better than i do

15.speak English more fuently than my sister's

16.Phong speaks loudly than Nick's voice

17 .Nick writes essays more cafefully than Phuc.

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10. Life in the city is more stressful than life in the countryside.
11. Hung's brother doesn't drive as carefully as Hung does.
12. Some years ago the laboratory in my school was worse equipped than now.
13. Houses in the countryside are not as expensive as those in the city.
14. My cousin sings better than I do.
15. I speak English more fluently than my sister does.
16. Phong speaks more loudly than Nick does.
17. Nick writes essays more carefully than Phuc.