After they (see) the Tower, they (go) to Westminster Abbey.
had seen/ went
He (ask) me which animals I (see) in Africa.
asked/ had seen
When I (get) to the airport I discovered I had forgotten my passport.
got
I went to the library, then I (buy) some milk and went home.
bought
When I opened the curtains the sun was shining and the ground was white. It (snow) during the night.
had snowed
When Julie got home from her holiday, the flat was a mess. John (have) a party.
had had
In the shopping centre, I met a friend who I (see / not) for ages.
hadn't seen
The thief could walk right into the house because you (lock / not) the door.
hadn't locked
We lost the match because we (practise / not) the days before.
hadn't practised
At school, Jim quickly copied the homework that he (do / not)
hadn't done
We ate at a restaurant last night because I (buy / not) anything for dinner.
hadn't bought
When we came back, it was cold in the house because Alice (close / not) the windows.
hadn't closed
(what / Bob / do) that he was kept in after school?
What had Bob done
(you / eat) anything before you went to the theatre?
Had you eaten
(he / live) in London before he moved to Glasgow?
Had he lived
(they / book) a room before they went to Dublin?
Had they booked
