问题
选择题
"_____ you've made! But you should work still harder," Dad said to me.[ ]
A. What big mistake
B. How big mistakes
C. What 
great progress
D. How great progress
答案
答案：C
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"_____ you've made! But you should work still harder," Dad said to me.[ ]
A. What big mistake
B. How big mistakes
C. What great progress
D. How great progress
答案：C