Speak to him slowly________ he may understand you better.
| A．since | B．so that | C．for | D． because |
There are few new words in this article, __________ no one can understand it.
| A．and | B．or | C．but | D．so |
We feel our duty to make our country a better place.
| A．it | B．this | C．that | D．one |
Mr. Stevenson is great to work for—I really couldn't ask for a ________ boss.
| A．better | B．good | C．best | D．still better |
The old building still looks beautiful. It is about _______________.
| A．twelve-metre-high | B．twelve-metre high |
| C．twelve-metres-high | D．twelve metres high |
___________ have you ___________ the meat?
| A．How; do with | B．What; do with | C．How; done with | D．What; done with |