（北京卷28）. It took me a long time before I was able to fully appreciate what they __ for me.
| A．had done | B．did | C．would do | D．were doing |
相关试题
Hiking by oneself can be fun and good for health. It may also be good for ______ building.
| A．respect | B．friendship | C．reputation | D．character |
Always read the __ on tile bottle carefully and take the right amount of medicine.
| A．explanations | B．instructions | C．descriptions | D．introductions |
The practice of hanging clothes across the street is a common ______ in many parts of the city.
| A．look | B．sign | C．sight | D．appearance |
One thousand dollars a month is not a fortune but would help cover my living _______.
| A．bills | B．expenses | C．prices | D．charges |
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