All his attention________on the computer
题型：选择题
问题：
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．fi
xed
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