is the power of the Internet that you can get whatever you want in no time.
| A．So | B．This | C．That | D．Such |
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 |
"Take a look at these pictures, and see if you can _____ the criminal． " The policeman said to the witness．
| A．pick up | B．pick off | C．pick out | D．pick at |