________ in thought, he didn't notice his wallet ________.
________ in thought, he didn't notice his wallet ________.
A.Lost; stolen
B.Having lost; steal
C.Lost; steal
D.Losing; stealing
答案及解析: A
________ in thought, he didn't notice his wallet ________.
A.Lost; stolen
B.Having lost; steal
C.Lost; steal
D.Losing; stealing
答案及解析: A