1. When I arrived home from school yesterday, I found out that my bike wasn't there. Someone had stolen it.

2. when Peter arrived at the bus station, the bus had already left.

3. Mary couldn't open the door because she had lost her keys.

4. Fiona offered Sony a job after she had finished her degree.

5. Jill wanted to meet my boyfriend because she had never seen him before.

6. I knew about that accident because I had heard about it on the radio.

7. When Mrs. Snow appeared, the driver had already started the car.

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