si八年级下册英语期中常考点整理训练1. Chinas high-speed railways from 9,000 to 25,000 kilometers in the past few years.A. are growing B. have grown C. will grow D. grew答案：B解析：在过去的几年里，中国的高速铁路从9000公里增长到25000公里。知悉：in/over the past/last few years/days/weeks.属于现在完成时的标志词，符合现完定义：从过去发生的事情持续到现在。2.-Could you tell me to improve spoken English? -By chatting with foreign friends more often. A. what B. when C. why D. how答案：D
