问题
选择题
The book _____ well. I'm afraid it _____ out. [ ]
A. is sold; has sold
B. sells; is sold
C. sells; to be sold
D. is sold; sells
答案
答案：B
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The book _____ well. I'm afraid it _____ out. [ ]
A. is sold; has sold
B. sells; is sold
C. sells; to be sold
D. is sold; sells
答案：B