英语单选：So hard in the past few years that he has made great pr

So hard has he worked in the past few months that he has mad He ____ very hard in the past few years.(study) He has made a great_____ in the past five years. There( ) great changes in Shanghai in the past few years. Great changes ---- in my hometown in the past few years. In the past few years there great cha In the past few years, Chinese scientists ________ great suc 30.In the past few years,this city has . Shanghai has changed greatly in the past few years. in the past few years 初三英语缺词填空In the past few years,reading has become more and mo 同义句转换He has made so much great progress that the parents are