means = way 单数
句意是所有途径已经被尝试了,但没用
所以完成时+被动+单数
选 B
-----------------------
完成时更好,因为肯定是已经被尝试过了,才知道没有用的
急：2.Every means ______ tried,but in vain.
急：2.Every means ______ tried,but in vain.
2.Every means ___B___ tried,but in vain.
A.have been B.has been C.are D.is
为什么正确答案是B 不是已经被尝试么?
不好意思说错了，正确答案是D
2.Every means ___B___ tried,but in vain.
A.have been B.has been C.are D.is
为什么正确答案是B 不是已经被尝试么?
不好意思说错了，正确答案是D
英语人气：131 ℃时间：2020-03-23 13:00:51
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