初一时态综合练习和答案清华大学英语系测试:为中学英语量身定做.官方网站: 清华大学英语教授50年研究成果时态综合练习一、选择填空1.Well go swimming if the weather_fine tomorrow.A. is B.was C. will be D. is going to be 2.It_five years since he has left for Beijing.A. was B. has been C. is D. is going to be3. He _ in three days.A. coming back B. came back C. will come back D. is going to coming back4.Listen ! Someone_in the next room .A. cried