___they could do was to work hard!A.All___they could do was to work hard!A.All B.All what C.All which D.That 希望给出答案,附带原因,
问题描述:
___they could do was to work hard!A.All
___they could do was to work hard!A.All B.All what C.All which D.That 希望给出答案,附带原因,
答