公共课考研英语英语1997年全国硕士研究生入学统一考试英语试题
题目内容

Just as the value of a telephone network increases with each new phone ________ to the system, so does the value of a computer system increase with each program that turns out.

2024-07-12

A.adding

B.to have added

C.to add

D.added

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