【題目】The word “run” has “r” and “u” in it .

A. a ， a B. an， an

C. a， an D. an， a

【答案】D

【解析】

試題分析：句意：單詞run中有一個(gè)r，一個(gè)u。r以元音音素開頭，故用an；u以輔音因素開頭，故用a。根據(jù)意思可知選D。

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