问题
选择题
All his attention________on the computer game he was playing,so he even didn't notice his mother
enter the room. [ ]
A. has been fixed
B. was fixing
C. was fixed
D. fixed
答案
C
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All his attention________on the computer game he was playing,so he even didn't notice his mother
enter the room. [ ]
A. has been fixed
B. was fixing
C. was fixed
D. fixed
C