问题
选择题
— Hasn't the thief admitted his crime by now?
— No, ______ questioned many times. [ ]
A. if
B. though
C. unless
D. once
答案
答案：B
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— Hasn't the thief admitted his crime by now?
— No, ______ questioned many times. [ ]
A. if
B. though
C. unless
D. once
答案：B