问题

__ in the computer game, Peter didn’t notice his father approaching.
A:Being lost
B:Lost
C:Losing
D:To lose ;
B:Lost
C:Losing
D:To lose ;
正确答案是:
同类题型
.Having retired from the local government, he now ____himself with the welfare of the disabled.
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Are you going anywhere— I ________ about visiting my cousin, but I have changed my mind.