Mary is one of the brightest students who_________ from New York University.
| A．is graduated | B．have graduated |
| C．has graduated | D．are graduated |
------You’ve left the light on.
------Oh, so I have. _____________to turn it off.
| A．I’ll go | B．I’ve gone | C．I go | D．I’m going |
I used to feel very nervous when I stood up in front of others, but now I feel quite ______when giving a speech to the school．
| A．at random | B．at length | C．at ease | D．at sight |
Although modem organic food has become very popular, many people can' t figure out the difference between organic foods and ______ grown foods．
| A．contemporarily | B．conventionally | C．deliberately | D．dynamically |
David’s a terrible dancer; he's too _____ and keeps stepping on his partner’s feet.
| A．energetic | B．optional | C．sensitive | D．clumsy |
If the wild animals wander onto _____ land, the landowner may require the government to get them back．
| A．deserted | B．private | C．rough | D．precious |