来自潘世永的问题
【Theglassdoorshavetakentheplaceofthewoodenonesattheentrance,_____inthenaturallightduringtheday.A.toletB.lettingC.letD.havinglet答案给的是B,为什么不选A?A也表主动啊,而且也是非谓语.】
Theglassdoorshavetakentheplaceofthewoodenonesattheentrance,_____inthenaturallightduringtheday.
A.toletB.lettingC.letD.havinglet
答案给的是B,为什么不选A?A也表主动啊,而且也是非谓语.
