This is the first time the students________to Hyde ParkA.have gone B.have been gone C.have been going D.are being gone
问题描述:
This is the first time the students________to Hyde Park
A.have gone B.have been gone C.have been going D.are being gone
答
D
答
A. have gone
答
C
答
为什么选c啊,不应该是A吗?
答
A This is the first time ...用完成时
答
A.have gone