题干
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(点此获取答案解析）
B
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
