题目内容
() 7. Mr. Black broke his leg. He has just had X-ray examination. The doctor said he needed operation.
A. a; an B. an; a C. an; an D. a; a
7. C
7. C
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题目内容
() 7. Mr. Black broke his leg. He has just had X-ray examination. The doctor said he needed operation.
A. a; an B. an; a C. an; an D. a; a
7. C