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
C
练习册系列答案
相关题目
When I came in, I saw him ______ in a chair deep in thought.
A.sat |
B.seated |
C.seating |
D.being seated |