来自胡永健的问题
【Greatchanges_____inthistown.AhavebeentakenplaceBhavetakeplace】
Greatchanges_____inthistown.AhavebeentakenplaceBhavetakeplace


【Greatchanges_____inthistown.AhavebeentakenplaceBhavetakeplace】
Greatchanges_____inthistown.AhavebeentakenplaceBhavetakeplace
应该选B,主动的完成时态是对的,但完成时take应用taken才对.
正确是havetakenplace.