16．______ in the classroom are the people who are attending the parents'meeting．（　�。�
A．SeatingB．SeatedC．To sitD．Having seated

分析 參加家長會的人們坐在教室里．

解答 答案：B．
考查動詞的過去分詞．題干是表語放在句首的倒裝句，動詞seat作動詞時，不與介詞連用，可用be seated或seat oneself，seat與主語the people之間是被動關系，所以用過去分詞形式，故選B．

點評 本題考查動詞的過去分詞．屬于非謂語動詞．動詞的過去分詞表示被動和完成，在句中可充當表語、定語、賓語、同位語、狀語．

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