She paid again because she ___ (lose) her ticket

He was very tired because …

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

Kate was cold because she ___ (forget) to take her coat

She was tired because she ___ (wait) all night

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

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

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

Alice had got low marks in maths before she began studying with Carol. What happened second?

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

Indian mathematicians had used our system of numbers long before Europeans started to use it. Who first used our system of numbers?

I ___ (can't) take a photo because I hadn't charged the battery