We must ______ the time that you’ve wasted this afternoon by working late to-night.

What I like about Harvard is _____there’s the old classical look-there are parks and traditional buildings. [ ]

The job is great ________salary. It has itsdisadvantages，though.

Why are you smiling at me? — You look _______ in that hat.[ ]

It was raining hard, but by the time the class was over, the rain _______.[ ]