动词练习题知识点：动词的时态( ) 1. The population of the world _ still _ now. A. has; grown B. is; growing C. will; grow D. is; grown( ) 2. -Good evening. I _ to see Miss Mary.-Oh, good evening. Im sorry, but she is not in.A. have come B. come C. came D. had come( ) 3. I first met Lisa three years ago when we _ at a radio station together.A. have worked B. had been working C. were working D. had worked( ) 4. If you ca
