She ________ her clothes down on the ground.
| A．lied | B．lay |
| C．laid | D．lain |
If a person has not had enough sleep, his actions will give him ___ during the day.
| A．away | B．up | C．in | D．back |
We finished the run in less than half the time ____.
| A．allowing | B．to allow | C．allowed | D．allows |
--- Shall we go out for a walk?
--- Sorry. This is not the right ____ to invite me. I am too tired to walk.
| A．moment | B．situation | C．place | D．chance |
What a pity! Considering his ability and experience, he ____ better.
| A．need have done | B．must have done |
| C．can have done | D．might have done |
I _____ it as a basic principle of the company that suppliers of raw materials should be given a fair price for their products.
| A．make | B．look | C．take | D．think |