_____ worries the doctor most was ______
题型:选择题
问题:
_____ worries the doctor most was _______ they could find the cause of the disease.[ ]
A. What; how
B. That; that
C. What; that
D. How; what
_____ worries the doctor most was _______ they could find the cause of the disease.[ ]
A. What; how
B. That; that
C. What; that
D. How; what