—I’m afraid that I can’t do it.
—Oh, you should believe in yourself. You won’t know what you can do______ you try it.
| A．if | B．because | C．until | D．while |
He is such a busy man that it’s hard for him to________ enough time to meet us at the airport.
| A．offer | B．spare | C．prepare | D．order |
Tom’s decided to devote all he could ________ his English before going abroad.
| A．to improving | B．have improved |
| C．to improve | D．improve |
—_________I borrow your lighter for a minute?
—Sure, no problem. Actually, you _________keep it if you want to. I’ve given up smoking.
| A．Can; can | B．Should; may | C．Must; can | D．May; must |
Each of the club members ________ready to help those who were in trouble.
| A．is | B．are | C．was | D．were |
We arrived at the small town too late, almost at midnight. We found there was no food ________ as all the shops were closed.
| A．delicious | B．suitable | C．available | D．pleasant |