People cannot dance without moving their feet.
A. Right
B. Wrong
C. Doesn't say.
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When children pick up things, they are first interested in the ______.
A. color
B. shape
C. size
Who said that the film had begun twenty minutes before
A. The man.
B. Mrs. David.
C. Mr. David.
关于化脓性关节炎，哪项是错误的
A. 好发于髋关节
B. 大多可自愈
C. 可并发病理性脱位
D. 感染途径多为血源性
He has such a busy life ______ he always forgets my birthday.
A. when
B. if
C. that
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