.
Besides dogs, _______ horse has had the closest relationship with ______ man.
| A．the; the | B．/; / | C．a; / | D．the; / |
The country’s car industry is so strongly protected that foreign cars are _____ seen there.
| A．immediately | B．similarly | C．correctly | D．rarely |
In a room above the store, where a party _____, some workers were busily setting the table.
| A．has been held | B．was to be held |
| C．will be held | D．is being held |
Most people think that it is _____ to spend some time surfing the Internet, but we shouldn’t be too dependent on it.
| A．worth | B．worthwhile | C．worth of | D．worthy of |
--- Have you handed in your schoolwork yet?
---Yes, I have.I guess it _____ now.
| A．has graded | B．is graded |
| C．is being graded | D．is grading |
We _____ have bought so much food now that Suzie won’t be with us for dinner.
| A．needn’t | B．mustn’t | C．can’t | D．should |