Sometimes our opinions differ _________ what we choose to observe and how we deal with what we’ve observed

I have spent too much time playing computer games these days.—I think so. You _____ stop, for your study and your health.

What color is it —It’s _____.

Please lock the door;______, bring the umbrella to me. It looks as if it is going to rain.

My cousin is really enthusiastic about playing basketball______ he shoots a ball, he likes to think of himself as a Kobe Bryant