Past Simple vs Past Perfect

Mary ___________________ (give) me Tony's address before she left.

When the boys arrived at the cinema, the film ___________________ (already, start).

Before we reached the station we saw that we ___________________ (lose) our way.

Uncle David ___________________ (go) to the doctor after he ___________________ (be) ill for a month.

Before the police ___________________ (catch) the thief, he ___________________ (steal) two more watches.

The bike ___________________ (be) much more expensive than he ___________________ (think) at first.

Dad ___________________ (drive) me home after I ___________________ (fall) into the water.

Marion ___________________ (ask) me what ___________________ (happen) to me last week.

. I ___________________ (feel) great after I ___________________ (pass) the exam

. I know that I ___________________ (see) her somewhere before.