Read …… on (something)

Can you complete this English expression? It means “to read a lot about something”

Read …… on (something)

a) out

b) up

c) over

d) into

The answer is below!↓

Photo by Mental Health America (MHA) on Pexels.com

Answer: b) up

Read up on (something)!

By I Talk You Talk Press – Easy English Reading