1.music->musical

2.as->than

or "exciting as->as exciting as"

3.for->about

4.as a writer than as->as a writer than

5.funnier->funniest

6.definitely->definite

7.many->much

8.there are->there be

Sửa lỗi sai:

1. The drum is one of the oldest music instruments -> musical

2. He thinks pop music today is exciting as it's ever been ->than

3. Tracy seems to be anxious for the performance coming up -> about

4. She was more famous as a writer than as a singer -> no

5. His latest film is one of the funnier he's ever made -> funniest

6.My school has changed a lot - it's definitely not the same as it was before.   -> definite

7. How many fuel will these means of transpory use? -> much

8.Will there are still trafic jams in the next decades? -> jam 

Chúc bạn học tốt!! ^ ^~~~