— How do you like Robie? — He has been t
题型：选择题
问题：
— How do you like Robie?
— He has been trying hard at his subjects.________ he is an excellent student.[ ]
A. No wonder
B. No problem
C. No excuse
D. No doubt
— How do you like Robie?
— He has been trying hard at his subjects.________ he is an excellent student.[ ]
A. No wonder
B. No problem
C. No excuse
D. No doubt