Ex10 : 

1. Can you speak more slowly so I can understand you ?

2. At Tet , our house is beautifully decorated than during the year.

3. Homes in the city is better equipped with electrical appliances than those in the countryside.

4.Nowadays , more people use motorcycle for transport instead of riding horse for walking.

5. Thanks to TV and the Internet , people in my village have more fun and know more about outside  the village

Ex11: 

1. Hung's brother doesn't drive as carefully as he does.

2. Some years ago the laboratory in my school was badly equipped than it is now.

3. Quang works harder and he often gets better marks than Nam.

4. Minh drives more carelessly than Trung so he has had an accident. 

5. Going by bus is slower than going by taxi but it costs less than a taxi.