7.The old man smiled when he saw how pretty _____ up to be during the past few years.
问题描述：
7.The old man smiled when he saw how pretty _____ up to be during the past few years.
A.had his daughter grown B.would his daughter grow
C.his daughter would grow D.his daughter had grown
选D;
1.从句用陈述语序；
2.用过去完成时；
答
选D