问题描述：
求解英语选择题,要有详解
__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
答案选B
__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
答案选B
问题解答：
我来补答展开全文阅读