问题
选择题
Mary is a(n) _______ customer, so the waiter knows her likes and dislikes.
A．usual
B．ordinary
C．common
D．regular
答案
答案：D
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Mary is a(n) _______ customer, so the waiter knows her likes and dislikes.
A．usual
B．ordinary
C．common
D．regular
答案：D