They .................................... (get) to the airport as the plane was landing.

We entered the house quietly because everyone (was sleeping / had slept).

I was happy to see her, because we .................................... (not see) each other for years.

By the time we (got / had got) to the cinema, the film had already started.

She wore the shoes she ..................................... (buy) the previous day.

The children (were playing / played) in the garden while their parents were watching them.

Why .................................... she still .................................... (work) at one o’clock in the morning?

At this time yesterday, I (wrote / was writing) an essay.

Until a few years ago, no one ................................. (hear) of Harry Potter, the young wizard and hero of the children’s book Harry Potter and the Philosopher’s Stone.

The football season (began / was beginning) a month ago.

She (had graduated / graduated) from school in 2001.

By the time we got to the shop, a long queue .................................... already .................................... (form) outside.

They (had left / left) many hours before we arrived.