广告歌曲通常有（)型、（)型、家庭歌曲型和（)型等几种。
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He went to the market and bought __eggs and some meat.
A. three dozen of
B. three dozen
C. three dozens
D. three dozens of
战略规划的三个层次分别是什么？每个层次的战略的作用是什么？以及人力资源战略与公司的战略规划有何关系？
My ___ is for beef rather than lamb.
A. most preference
B. preferencer
C. preference
D. preferencest
Only last month I called at （) .
A. my uncle
B. my uncle's
C. my uncles
D. mine uncle
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