difficult the task may be we must finish it on time because we can’t meet such a precio

问题补充：

difficult the task may be, we must finish it on time, because we can’t meet such a precious opportunity we have expected.

A. Whatever; that

B. However; as

C. However; that

D. Whatever；which

答案：

A. Whatever; that

(答案→)B. However; as

C. However; that

D. Whatever；which

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