题目内容
（请给出正确答案）
[主观题]
Every means （) tried to help the two workers to catch up with others.
A、have been
B、has been
C、have had
D、are
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Every means _______ been tried to solve the difficult problem.
A.have
B.has
C.is
D.are
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The senator tried every means to protect his （） in the political world.
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第6题
Every means __________since then.A.has been tryingB.have been tryingC.ha
Every means __________since then.
A.has been trying
B.have been trying
C.have been tried
D.has been tried
第8题
Every means ________ to save the wounded man.
A、have tried
B、have been tried
C、has tried
D、has been tried
