Pronunciation
Could/ couldn't
Putting words in order
100

Orchestra 

UK     [ˈɔː.kɪ.strə]

 US    [ˈɔːr.kə.strə]

100

People could/couldn't buy books in 1980.

Could✅

100

read / could / books. / People

People could read books

200

Guitar

UK.   [gɪˈtɑːr]

 US.   [gɪˈtɑːr]

200

People  could/couldn't  play online games in 1970.

Couldn't ✅

200

No questions :) Bonus for you 🎁

🎁

300

Honest

[ˈɑː.nɪst]

300

People could/ couldn't send letters in 1980.

Could ✅

300

What is always coming but never arrives ?

Tomorrow 

400

Queue 

[kjuː]

400

People could/couldn't buy e-books in 1989.

Couldn't ✅

400

could/ letters / 1970. / send / My grandfather / in

My grandfather could send letters in 1970.