【題目】To keep healthy,everyone needs_____at least eight_____sleep at night

A. to have;hour’s B. have;hours’ C. having;hour’s D. to have;hours’

【答案】D

【解析】

句意：為了保持健康，每個人晚上都需要至少八小時的睡眠�？疾閯釉~形式和名詞所有格辨析題。句中need是實意動詞，表示“需要”，后接不定式形式，即need to do需要做某事，可排除BC兩項。eight后接復(fù)數(shù)名詞，根據(jù)句意語境，可知名詞sleep需用所有格修飾，hours是所有格是在詞尾加-’，故選D。

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