Sự phối hợp thì

When I _______ to the airport, I realized that I _______ my passport at home.

• got/was left

• had got/had left

• got/had left

• got/left

Call me as soon as you _______ your test results.

• got

• will have got

• will get

• get

I _______ along the street when I suddenly heard footsteps behind me.

• walked

• walk

• am walking

• was walking

The boy fell while he _______ down the stairs.

• runs

• was running

• running

• run

She hurt herself while she _______ hide-and-seek with her friends.

• was playing

• played

• had played

• is playing

She hurt herself while she _______ hide-and-seek with her friends.

• was playing

• played

• had played

• is playing

While I _______ at the bus stop, three buses went by in the opposite direction.

• were waiting

• had waited

• waited

• was waiting

Linda took great photos of butterflies while she _______ in the forest.

• had hiked

• is hiking

• hiked

• was hiking

When I came to visit her last night, she _______ a bath.

• had had

• has had

• was having

• is having

John _______ in the same house since he left school.

• has lived

• was living

• had lived

• lived