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Whenever you enter the reading room, you can find all the students at their desks, with their attention on the books, except Tom.
A. sitting, fixing
B. to sit, fixed
C. seating, fixing
D. seated, fixed
网友回答
A. sitting, fixing
B. to sit, fixed
C. seating, fixing
(答案→)D. seated, fixed
解析：本题考查非谓语动词。句中seated at their desks在句中作定语，表示状态。第二空考查with的复合结构，宾语their attention与fix为被动关系，故用过去分词作宾语补足语。选D。