高一一道英语选择,求解,谢谢.
一道英语题,高一的,请把ABCD每个选择都解释一遍,谢谢.要分析思路.Greatchangedhavetakenplaceinthatschool,Itisnolonger___itwastenyearsago____itwasso.
AwhatwhenBthatwhichCwhatwhichDwhichthat