The two sisters are ________ different in character --- one talks a lot while the other is a girl of few words.
| A．exactly | B．entirely |
| C．frequently | D．finally |
These old buildings possibly ____ the Ming Dynasty.
| A．date back to | B．dated back to | C．dated from | D．date in |
I can’t bear ____, so I hope you can come on time.
| A．to keep waiting | B．to keep to wait |
| C．being kept waiting | D．being kept to wait |
I wonder such a gentleman as he should ____ an error, though it is a simple and small one.
| A．admit | B．tolerate | C．commit | D．ignore |
A study shows that students living in non-smoking dormitories are less likely to ____ the habit of smoking.
| A．make up | B．turn up | C．draw up | D．pick up |
____ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
| A．While | B．As | C．Because | D．If |