—Why did you cancel your trip to the New York?
—We were just about to leave_______ it started to snow．
| A．when | B．before | C．after | D．since |
As a senior high student, you should your energy on how to master the skills of learning.
| A．impress | B．spend | C．concentrate | D．use |
— May I help you?
— Yes, I'd like to try on some sports jackets just likeI'm wearing.
| A．it | B．one | C．the one | D．that |
I wonder how it ____ that Chinese climbers successfully finished the torch relay on the Mount Qomolangma, where the air is so thin.
| A．came out | B．came about | C．came over | D．came across |
---Where did you save the drowning girl, ________ parents were both professors?
---It was from the lake ______ she often went fishing.
| A．who; that | B．whose; that | C．whom; where | D．whose; where |
success of Zhu Zhiwen’s singing has beengreat honor to his hometown.
| A．The, a | B．The, an | C．不填, the | D．The, 不填 |