ORBIS doctor who got here yesterday needed X-ray machine to examine his patients.A. The;

发布时间：2020-08-21 09:38:19

    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

网友回答

A. The; a
(答案→)B. The; an
C. An; a
D. An; an
解析：此题考查冠词的用法，the是定冠词，表示特指；a/an是不定冠词，表示泛指。a用在辅音音素开头的单词之前，an 用在元音音素开头的单词之前。    
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