题目内容
( )7. Mr. Li is kind us but he is kind
serious (严肃的）sometimes.
A. to； of B. of； to
C. to ； to D. of； of
7. A
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题目内容
( )7. Mr. Li is kind us but he is kind
serious (严肃的）sometimes.
A. to； of B. of； to
C. to ； to D. of； of
7. A