◎ 题干
The teacher was surprised to see lots of people_____at the back of the room _____worried.
[     ]
A.seating;looked
B.seated;looking
C.sitting;looked
D.sat;looked
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“The teacher was surprised to see lots of people_____at the back of the room_____worried. [ ]A.seating;lookedB.seated;looking C.sitting;lookedD.sat;looke…”主要考查了你对  【现在分词】【过去分词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。