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---Can I help you, sir?   ---Yes. I bought this radio here yesterday, but it _____.

A. didn't work     B. wouldn't work     C. can't work     D. doesn't work

---Can I help you, sir? 

 ---Yes. I bought this radio here yesterday, but it _____.

A. didn't work     B. wouldn't work     C. can't work     D. doesn't work

—Yes, I bought this radio here yesterday, but it ________.

A．didn’t work

B．won’t work

C．can’t work

D．doesn’t work

—Can I help you,sir?

—Yes,I bought this radio here yesterday,but it_________.

A.didn’t work                  B.won’t work

C.can’t work                   D.doesn’t work