You can see the bright Yaoming today, but can’t imagine what a hard time he had himself home and abroad before.
A. training
B. trained
C. to train
D. train
网友回答
(答案→)A. training
B. trained
C. to train
D. train
解析：考查固定搭配。a hard time是先行词，代人定语从句应是he had a hard time himself home and abroad before.构成have a time doing sth.结构。所以选A。