题目内容
_____ in thought, he didn't notice his teacher coming into the classroom at all.
[ ]
A. Losing
B. Having lost
C. Lost
D. To lose
B. Having lost
C. Lost
D. To lose
C
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When I came in, I saw him ______ in a chair deep in thought.
|
A.sat |
B.seated |
C.seating |
D.being seated |