题目内容
_______ORBIS doctor who got here yesterday needed _______X-ray machine to examine his patients.
A. The; a B. The; an C. An; a D. An; an
B
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题目内容
_______ORBIS doctor who got here yesterday needed _______X-ray machine to examine his patients.
A. The; a B. The; an C. An; a D. An; an
B