问题
选择题
"Thanks" is a(n) _______ commonly used to express one's gratitude to someone for something he
has done for you.[ ]
A. word
B. idiom
C. expression
D. phrase
答案
答案：C
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"Thanks" is a(n) _______ commonly used to express one's gratitude to someone for something he
has done for you.[ ]
A. word
B. idiom
C. expression
D. phrase
答案：C