Past Perfect

When I came home, Dan ............. already ............... (leave).

They couldn't get a room as they ................... one (reserve).

The cake wasn't cooked because I ............... to turn the oven on (forget).

I didn't recognise him because I .................... him for ages (see).

He read the letter which he ................ that morning (receive).

They did the washing-up when everyone ................. eating (finish).

He was nervous on the plane because he ................ before (fly).

How long ............... you .............. there? (be)

........ you .................. English for a long time? (learn)

There wasn't any food in the fridge because my brother ............. it all (eat).