2. 职称英语
  3. Every means ______ tried but without much result.A、isB、areC、has beenD、have be

Every means ______ tried but without much result.A、isB、areC、has beenD、have be

游客2025-07-30  8
问题 Every means ______ tried but without much result.
选项 A、is
B、are
C、has been
D、have been
答案 C
解析 means用作单数，故谓语动词应用单数形式；而由but后的分句句意可知方法已经试过了，应用完成时态。结合起来可知选[C]。
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