Past Perfect vs Simple Past

We had already eaten when John_________ home.

• had come

• came

Last year Juan ________ all his exams.

• had passed

• passed

When I got to the airport I discovered I __________ my passport.

• had forgotten

• forgot

I went to the library, then I ________ some milk and went home.

• had bought

• bought

I opened my handbag to find that I __________my credit card.

• had forgotten

• forgot

When we __________ at the station, the train had already left.

• had arrived

• arrived

We got home to find that someone ___________ into the house.

• had broken

• broke

I opened the fridge to find that someone ___________ all my chocolate.

• had eaten

• ate

I had known my husband for three years when we __________ married.

• had gotten

• got

Julie was very pleased to see that John ___________ the kitchen.

• had cleaned

• cleaned