14.
How are dogs different _______ cats?
15.
Donkeys move _______ slowly than horses.
16.
_______ you speak Spanish, I don't understand.
17.
Whose book is that? It's _____. I bought it yesterday.
18.
There are ______ of books in here. Maybe more than a hundred!
19.
Tigers don't live in places _____ there are a lot of people.
20.
I like horses. I think ____ are beautiful.