题目内容
_______ difficult the task may be, we must finish it on time, because we can’t miss _______ a precious opportunity.
A. Whatever; so B. However; such
C. However; so D. Whatever; such
解析:选B。句意:不管任务多么难,我们必须按时完成,因为我们不能错过一个如此珍贵的机会。however强调difficult。such a/an + adj. +n. 相当于so +adj. +a/an +n. 。
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