【題目】This is _____clock.It’s _____ English clock.

A. a, aB. a, an C. an, an

【答案】B

【解析】

試題分析：句意：這是一個表。它是一個英國表。第一空clock是輔音音素開頭，故用不定冠詞a修飾，第二空English是元音音素開頭，故用不定冠詞an修飾。故選B。

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