问题
选择题
Susan joined an art club at ＿＿＿age of six and paints well.
A. the B. an C.a
答案
答案：A
冠词用法。at the age of为固定搭配，意为“在……岁时”，故选A。
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Susan joined an art club at ＿＿＿age of six and paints well.
A. the B. an C.a
答案：A
冠词用法。at the age of为固定搭配，意为“在……岁时”，故选A。