When they arrived at the station, the train ___ (leave)

She wasn't hungry because she ___ already ___ (eat) dinner

Popov had already made a radio before Marconi invented his. Who invented the radio first?

I hadn’t heard about European inventions until I read the article. What happened first? A I learned about European inventions. B I read the article

When he arrived at the pool he realized he ___ (not take) his swimming cap

She paid again because she ___ (lose) her ticket

The waitress ___ (run) after him because he hadn't paid the bill

I washed the floor after all the guests had left. What happened second?

The printer ___ (not work) because he hadn't turned it on

She was tired because she ___ (wait) all night

The fire truck ___ (arrive) after the men had put out the fire

They could speak French because they ___ (learn) French at school

I didn't pass my exam because …