单项选择题

(During the discussion), Mr. Boyd (remained) (silent) (when asking) his opinion.()

A. During the discussion
B. remained
C. silent
D. when asking

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The more (frequent) the child expresses his (interest) in (an) activity, the stranger (it) will become.()

A. frequent
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C. an
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单项选择题
46()

A.present 
B.instant 
C.recent 
D.immediate
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