We need to get to the root of the problem______ we can solve it.
| A．while | B．after | C．before | D．as |
— Hey, man! Why so tired?
— I _____ for weeks for the coming celebration of the school’s 100th anniversary.
| A．was preparing | B．have been preparing |
| C．had prepared | D．was prepared |
— Did Jenny return early last night?
— Exactly. It was not yet nine o’clock _____ she arrived home.
| A．before | B．until | C．that | D．when |
— Do you think our math teacher will free us of homework this week? Our yearly sports meeting starts tomorrow.
— _____! After all, we are already Senior 3 students.
| A．No problem | B．Forget it |
| C．No dream | D．I hope so |
China’s lunar space program has no purpose __________ scientific achievement, and it is not competing with any other country, a senior official said yesterday.
| A．or rather | B．other than |
| C．free from | D．rather than |
In Chinese, “tu” means rude and “hao” means rich. So the word “tuhao” has __________ been referred to rich people who throw their weight around in China’s rural areas.
| A．regularly | B．frequently |
| C．traditionally | D．relatively |