问题
Black broke his leg. He has just had _____X-ray examination .______ doctor said he needed ______ operation.
A:a, The, an
B:a, A, an
C:an, A, an
D:an, The, an
B:a, A, an
C:an, A, an
D:an, The, an
正确答案是：
同类题型
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