Đáp án: 

1.

⇒ Have long have they been to Paris when you meet them? 

2.

⇒ While the Smiths was having dinner at home, Sarah was going out with her boyfriend. 

3.

⇒ Before they turned down the application form, they had interviewed her. 

4.

⇒ After I had done all my homework, I went to bed. 

5.

⇒ Hardly ever, she arrived to the party when the man disappeared. 

6.

⇒ No sooner had Tom come to his office, it started raining. 

7.

⇒ When he came to the party, everyone had already left. 

8.

⇒ When the teacher didn't look, the student passed the letter. 

9.

⇒ At that moment, are they watching football match on TV ? 

10.

⇒ How long had they lived in the village before 1980. 

Cho mình xin câu tl hay nhất nha

1. Have long have they been to Paris when you meet them?

2. While the Smiths was having dinner at home, Sarah was going out with her boyfriend.

3. Before they turned down the application form, they had interviewed her.

4. After I had done all my homework, I went to bed.

5. Hardly ever, she arrived to the party when the man disappeared.

6. No sooner had Tom come to his office, it started raining.

7. When he came to the party, everyone had already left.

8. When the teacher didn't look, the student passed the letter.

9. At that moment, are they watching football match on TV?

10. How long had they lived in the village before 1980.