4.Does Marek prefer cities or the countryside?
He prefers the countryside.
5.Where does Marek come from?
He comes from Poland.

1.Hung drives more carefully than his brother.
Hung's brother drivers carryfully than he does drives as carefully as he does 
2.The laboratory in my school is now better equipped than some years ago. 
Some years ago the laboratory in my school was worse equipped than now.
3.Nam works more lazily so he often gets worse marks than Quang.
Quang works harder so he often gets better marks than Nam.
4.Trung drives more carefully than Minh so he has rarely had an accident. 
Minh drives more carelessly than Trung so he often has had an accident.
5.Going by taxi is faster than going by bus but it costs more than a bus. 
Going by a bus is slower than going by a taxi but it costs less than a taxi.