Quantifiers

All ... believe that more than half of the world's languages will vanish soon.

• scientists
• scientist

A few ... studied for today's test.

• students
• student

Any ... in this library helps you improve in your language.

• book
• books

The report indicated that both ... are correct.

• ideas
• idea

Nowadays, every ... knows how to use a smartphone.

• kid
• kids

I'm sorry, I don't have ... energy today.

• many
• much

People spend ... time thinking nonsense before spleeping.

• a lot of 
• every

The project was ... person's idea.

• both
• neither

... the paintings depicts different emotions.

• Both 
• Each of 

... friend of mine texted me today.

• All
• Any