Here's a question: Sally loves learning.  It's difficult, arduous, and long process, but in the end, it gives her something special.  What does learning do for someone?

Here are possible answers to this question:
- take long time
- read a book
- require time
- increase knowledge
- take time

I believe the correct choice is "increase knowledge", here's why:


the 30 best websites to expand your general knowledge - medium