选择题:The man told me that by the end of the week he ___

题目内容:
The man told me that by the end of the week he _______ away from his hometown for 20 years.
(A)has been
(B)will have been
(C)is to be
(D)would have been
参考答案:

冬季施工时,混凝土中掺用了防冻剂可以放松保温的要求。(A)正确(B)错误

冬季施工时,混凝土中掺用了防冻剂可以放松保温的要求。(A)正确(B)错误

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