When talking about doing exercise, you should choose an activity that you enjoy and _____ that you will stick with.
| A．the one | B．one |
| C．不填 | D．another |
PRC is ________the People's Republic of China.
| A．lack of |
| B．short of |
| C．sign of |
| D．name of |
—If you're free tonight, I'd like to invite you to a movie.
—That's nice of you, but are you________？
| A．rich |
| B．careful |
| C．serious |
| D．true |
Since it's raining, it would ________to stay at home and play cards.
| A．be as just well |
| B．be as well just |
| C．be just as well |
| D．just be as well |
John plays football________， if not better than, David.
| A．as well |
| B．as well as |
| C．so well |
| D．so well as |
从题中所给的A、B、C、D四个选项中选出一个最佳答案。
You can't come in without a________.
A．permission
B．permit
C．being permitted
D．permitted