题目内容
-How did he finish the work?-I hear that he did it ________.
[ ]
A.in the own
B.on his own
C.of the own
D.all his own
答案:B
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题目内容
-How did he finish the work?-I hear that he did it ________.
A.in the own
B.on his own
C.of the own
D.all his own