The head of the company promised to deal with matters of this sort ____ he returned to his office.
| A．the moment | B．while |
| C．by the time | D．until |
The reason______ he was late for class is______ he didn’t catch the first bus.
| A．why; because | B．why; that | C．that; because | D．which; that |
______ you’ve got a chance, you might as well make full use of it.
| A．Now that | B．After | C．Although | D．As soon as |
—I am sure Mary will win the first prize in the final.
—I think so. She______ for it for months.
| A．is preparing | B．was preparing | C．had been preparing | D．has been preparing |
—Thank you for your wonderful meal.
—______.
| A．No, it was just so-so | B．The same to you |
| C．No, that’s all right | D．It’s my pleasure |
He was late for the meeting because the bus he took ______ halfway.
| A．broke in | B．broke down | C．broke out | D．broke up |