Review: Past Tenses

While I ______ (read) a book, my phone rang.

• read

• was reading

• had read

She ______ (forget) her keys at home, so she couldn’t unlock the door.

• forgot

• was forgetting

• had forgotten

By the time we got to the airport, the plane ______ (already/take off).

• already took off

• was already taking off

• had already taken off

He ______ (walk) in the park when it started to rain.

• walked

• was walking

• had walked

When the teacher entered the room, the students ______ (already/start) the exercise.

• already started

• were already starting

• had already started

They ______ (visit) their grandparents last weekend.

• visited

• were visiting

• had visited

I ______ (wait) at the bus stop when I saw an old friend.

• waited

• was waiting

• had waited

She ______ (not/finish) her homework before dinner.

• didn’t finish

• wasn’t finishing

• hadn’t finished

While he ______ (cook) dinner, the power went out.

• cooked

• was cooking

• had cooked

They ______ (arrive) late to the party and missed the opening speech.

• arrived

• were arriving

• had arrived