题目内容
The technician had no choice but to the machine and fix all the parts once again in order to find out the problem.
A.tear down B.take apart C.break up D.break down
B
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题目内容
The technician had no choice but to the machine and fix all the parts once again in order to find out the problem.
A.tear down B.take apart C.break up D.break down
B