Did you spend 20 dollars ________ this computer game?

It’s _____ to teach a man fishing than to give him fish.

My friend Jane works as _______as his brother.

Mr. Li, let’s go fishing this weekend with Lao Wang, shall we?—I’d love to, but nobody knows if he _______ free then.

Shall we go and ______ hello to the old man?—Good idea! Let’s go.