every means ___tired to solve theproblem,but none of them worked A has B has been Chave Dhave been

every means ___tired to solve theproblem,but none of them worked A has B has been Chave Dhave been
英语人气:819 ℃时间:2019-11-09 07:30:16
优质解答
选B
every means 是 每一种方式,是单数概念.
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