Not everyone has realized what_______ important part the balance of________ nature plays in their life.
| A．an；the | B．/；the | C．an；/ | D．the；/ |
I soon found that the work I was doing had already been done by someone else.________，I was wasting my time.
| A．In other words | B．In a word | C．First of all | D．Believe it or not |
________other workers，the boss finds，Hank is ________worker in his company.
| A．Compared with；a more satisfying | B．Compared to；the more satisfying |
| C．Comparing with；a more satisfying | D．Compared with；a more satisfied |
—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 |