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.
