After ________ the quality of this new machine, we are ready to go into production.[ ]A. carrying ou

题目简介

After ________ the quality of this new machine, we are ready to go into production.[ ]A. carrying ou

题目详情

After ________ the quality of this new machine, we are ready to go into production.
[     ]
A. carrying out  
B. making out
C. squeezing out  
D. testing out
题型:单选题难度:中档来源:同步题

答案

D

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