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When the teacher entered the classroom,he found the students already ___.A.seatingB.seatedC.sitD.sits.

题目详情
When the teacher entered the classroom,he found the students already ___.
A.seating
B.seated
C.sit
D.sits.
▼优质解答
答案和解析
B.seated是过去分词“让某人就坐”做宾补,这个动作是宾语的students发出的,他们自身又承受了这个动作.
seating是现在分词,表主动意义;sit和sits是谓语动词形式,不可在此做宾补;