The old man showed us how to _____ part of the surface of the wood and let a pattern in.
| A．cut down | B．cut in | C．cut out | D．cut up |
__________ all of them are strong candidates, only one will be chosen for the post.
| A．Since |
| B．While |
| C．If |
| D．As |
__________ volleyball is her main focus , she's also great at basketball.
| A．Since |
| B．Once |
| C．Unless |
| D．While |
Please call my secretary to arrange a meeting this afternoon，or __________ it is convenient to you.
| A．whenever |
| B．however |
| C．whichever |
| D．wherever |
At school, some students are active __________ some are shy, yet they can be good friends with one another.
| A．while |
| B．although |
| C．so |
| D．as |
—Derrick, don，t you think you should take a vacation? Even one or two days would be fine.
—There's __________. There's too much work.
| A．no problem |
| B．no way |
| C．no wonder |
| D．no need |