2. Lan said that she was going to meet her pen pal in front of the stadium.
3. Hoa can't sing as well as Mai.
4. I wish I had a motorbike.
5. It is not easy to find an apartment in a big city.
6. My sister has learnt English for 5 years.
7. Long spend 2 hours doing his homework everyday.
8. My friend asked if I went to school on Sunday.
9. Mary used to go swimming after school last year.
10. They live near a lake which is heavy polluted.