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Question 1:
I’ve been trying to find an error in my code for several hours. But I’m ________ . Can do nothing with it.
A. without a doubt
B. up a blind alley
Feedback Up a blind alley - to come to nothing. A road to nowhere
C. not playing with a full deck
D. making no bones about

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Test 4-Idioms in Context | English Idioms and Phrases