1 .D[ Osaka has become one of the ... " livable " cities in Asia ]
2.D [London is probably most famous for its museums, galleries, palaces, and other sights, but it also includes a ... range of peoples, cultures and religions than many other places.]
3 .C[London is one of the largest cities in the world but its populations is a lot ... than Tokyo]
4 .C[Ha Noi city now is ..... than it was 10 years ago]
5.A[This river now is much less .... than before. People are aware of the enviroment and they try to keep the river clean.]
6.B [When we were in Da Nang, we spent a lot of time ... around and looking at the ancient temples, bridges and houses]
7.A[On childern festival, the zoo is always .... with people , mainly children.]
NICE !