John used to be such a computer buff that he spent a large part of his income __

游客2025-05-10 13

问题 John used to be such a computer buff that he spent a large part of his income ______ his computer whenever a new CPU was introduced.

选项 A、imbibeing
B、modifying
C、increasing
D、upgrading

答案 D

解析 upgrade升级，提升；imbibe吸收；modify如更改，修改。

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Johnusedtobesuchacomputerbuffthathespentalargepartofhisincome__