–Do you know this boy?He works really.–Yes I can see him play. He always studies. A. har

问题补充：

–Do you know this boy?He works really.

–Yes, I can see him play. He always studies.

A. hardly; hardly

B. hard; hardly

C. hard; hard

D. hardly; hard

答案：

A. hardly; hardly

(答案→)B. hard; hardly

C. hard; hard

D. hardly; hard

解析：hard可做形容词和副词，努力的，困难的；hardly几乎不，简直不。句意：你认识这个男孩吗？他学习真的很努力。——是的，我几乎没见过他玩。他总是在学习。故选B。