Bài 4 : 

1. All of Tom's room is cleanest.

2. Sienkiewics Polish is the one of all the greatest writers.

3. Egyt is the one of the oldest in the world.

4. Canada is the second largest country in the world.

5. Winter was the worst for us time.

6. I know it town is the ugliest.

7. This is the widest road in the country.

8. What is the smallest animal in the world ?

9. Whale or elephants is the biggest animal in the world ?

10. I am the worst student in class.

                     Học tốt!!! Vote tớ nha!! Thanks trc ^_^

1. Tom room is the cleanest of all.2. Sienkiewicz Polish is one of the greatest writer of all.3.Egypt is one of the oldest countries in whte world.4. Canada is the second largest country in the world.5.Winter was the worst time for us.6. It is the ugliest town I know.7. This is the wildest road in the country.8. What is the smallest animal animal inthe world?9. Is the whale or the elephant the biggest animal in the world?10. I am the worst student in class.Mk chỉ nghĩ đáp án là như vậy thôi, có gì sai bạn bỏ qua nhé !