I’m continually losing my pens these days. I ______ them on my desk, but they disappear somehow.
| A．leave | B．am leaving |
| C．was leaving | D．would leave |
You have only a short time to get prepared for the exam, so______the most of it.
| A．use up | B．do | C．make | D．take |
Although they just met for the first time, they talked _____ they had been friends for many years.
| A．as if | B．even if | C．such as | D．so long as |
She demanded that he _____ the books he borrowed from her.
| A．should return | B．would return | C．returned | D．were to return |
Only by imagining and creating ____the problem.
| A．can solve | B．you can solve | C．solve | D．can you solve |
—Guess what!I came across an old friend at the party last night.
—______ I' m sure you had a wonderful time.
| A．Good idea ! | B．Very well. |
| C．How nice! | D．All right. |