Giúp mình bài này với ạ !!!

By the time + QKĐ, QKHT 

S1 + had no sooner + V2/ed + than + S2 + V2/ed 

S1 + had + hardly + V3/ed + when + S2 + V2/ed 

= Hardly + had + S1 + V3/ed + when + S2+ V2/ed 

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1. By the time we arrived at the airport, the plane had taken off.

2. He had no sooner returned from his walk than he went down to writing the letter.

3. He had hardly solved the problem when he wrote it on the board.

4. They had no sooner arrived than things went wrong.

5. I had hardly put the phone down when it rang.

6. The Watsons had no sooner moved to London than they decided to get divorced.

7. The plane had no sooner left the airport than the accident happened.

8. Hardly had I put the phone down when the bell rang back.

9. The announcement had no sooner been made than everyone started complaining.

10. The new editor had no sooner made an appointment to the post than he fell ill.

`color{orange}{~MiaMB~}`