顶管遇到地下障碍物:The young lady__ we met yesterday is our new maths teacher.A.what B.whose C.whom D.which

The young lady__ we met yesterday is our new maths teacher.A.what B.whose C.whom D.which gone are the days when we were young and gay 28 The young trees we planted last week require ____ with great care. 翻译we stood young and strong we are the stranger We are the world ??? we are the world we are the champions we mended the _____ 《We Are The World》