5. Heavy traffic annoys the residents.

> The residents find heavy traffic annoying

Find sth adj: nhận thấy cái gì ntn

6. Nobody took notice of Jack though his clothes were strange.

>Despite Jack's strange clothes, nobody took notice of Jack

Despite + Ving/n: mặc dù...

7. They are building a two-thousand-seat movie theatre.

> The movie theatre which has two thousand seats is being built.

8. The next generation won't see the wonder by their own eyes if we don't preserve it well.

> Unless we preserve the wonder well, the next generation won't see it by their own eyes.

Unless = If not