题目内容
The company decided to put the plan into ________ operation as it was ________ most practical one they could think up.
[ ]
A.an; a
B.the;/
C./;the
D.an;/
答案:C
解析:
解析:
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题目内容
The company decided to put the plan into ________ operation as it was ________ most practical one they could think up.
[ ]