giúp mình với ạ ....

II. Rewrite the following sentences.

1. English is known as an international language.

=> Câu bị động: S + be + V(pp).

2. It was me that my brother sent a birthday card.

3. It was a golden ring that Hung bought Lan on her birthday.

4. It was the boy that the girl gave a special gift on Christmas.

5. It is a lot of exercises that we have done on Relative Clauses.

6. It is Tet that Vietnamese people celebrate as the greatest occasion in a year.

=> Câu chẻ: It + is/was + điều cần nhấn mạnh + that ...