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Question 1:
"I really thought that I might have discovered a drug that worked on lung cancer. It seemed on paper that it*^*would work, but I've come to a(n) ....... end. None of the mice I injected responded in any way," Dr. Cap told*^*Dr. Lewis.*^*
A. closed
B. shut
C. opened
D. dead

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English Slang Idioms (188) | B2 – Upper-Intermediate