At a rough estimate, our new library is the old one.
| A．three times the size as | B．the size three times of |
| C．three times as the size of | D．three times the size of |
—Do you have anything planned for this afternoon?
—Yes. I’m going to ________a famous NBA player.
| A．interview | B．cover | C．impress | D．revise |
You needn’t go to the railway station by taxi because it is within walking ________.It only takes five minutes to walk there.
| A．touch | B．distance | C．speed | D．reach |
The professor ________at 8 o’clock，but he has not shown up yet，which worries all of us.
| A．was supposed to arrive | B．must have arrived |
| C．might have arrived | D．was supposed arriving |
The manager was concerned to hear that two of his trusted workers ______.
| A．will leave | B．are leaving | C．have left | D．were leaving |
He got himself into a difficult situation ________he must make a final decision all by himself.
| A．which | B．what | C．when | D．where |