It makes good sense to buy a large packet because ________ will work out cheaper in the end.
| A．it | B．this |
| C．one | D．they |
．There’s no _____ from my bedroom window except fro some factory chimneys．
| A．view | B．scenery | C．sight | D．look |
．—Have you thought of the topic for the composition?
— Not yet．I _____ it very carefully, but I haven’t decided．
| A．will consider | B．have been considering |
| C．had considered | D．was considering |
The most important thing about cotton in history is _____ part that it played in ____ Industrial Revolution．
| A．/; / | B．the; / | C．the; the | D．a; the |
_____ and happy, Tom stood up and accepted the prize．
| A．Surprising | B．Surprised | C．Being surprised | D．To be surprised |
．People have planted a lot of trees and grass in order to ____ wind and sand in the desert．
| A．hold down | B．hold up | C．hold back | D．hold out |