题目内容
difficult it might be, I will try my best to work it out.
| A．Whatever | B．How | C．However | D．What |
C
解析试题分析：句意：无论这可能多么难，我都会尽力将它算出来。Difficult是形容词，用however引导让步状语从句，结构是：however+adj/adv+主谓，however相当于no matter how，所以选C。
考点：考查让步状语从句
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