: Ⅰ 单句语法填空 1.(2018•浙江台州期末考试)We____________(reduce) emission of air pollutants in recent years,but cars are still major source of them. have reduced/have been reducing 解析:由句中的时间状语in recent years可知,应用现在完成时或现在完成进行时。 2.(2018•浙江金、丽、衢十二校联考)I just graduated from West Coast University.I____________(receive) job skill training just before that, but I had never worked. had received 解析:此处根据just before that可知,我在之前受过职业技能的培训,根据上句中的一般过去时可知,此处应用过去完成时。 3.(2018•浙江金华十校模拟)Doctors and scientists ____________(learn) a great deal about sleep in the last thirty years. have learned 解析:根据in the last thirty years可知,本句应用现在完成时。 4.(2018•合肥第一次检测)It’s fun for amateurs to try, but to become good at it, not only years of practice but also natural talent ____________(need). is needed 解析:考查主谓一致和被动语态。“not only...but also...”作主语,谓语动词的单复数遵循就近原则,故此处谓语动词应用单数。natural talent与动词need之间是动宾关系,故用is needed。 5.(2018•郑州质量预测)A group of people paraded(游行) through the villag