4． —Is that your book _________the lost and found case? —Yes ，it is． A． at B．in C． on D． of
正确答案：B4．B【解析】介词in意为“在……里面（表示地点、范围、部位）”，in the lost and found case意为“在失物招领处”。
举一反三
- is,the,your,and,lost,found,case,key,in(?)
- Is this your father? ( ) A: Yes, it is. B: Yes, this is. C: Yes, he is. D: No, this isn’t.
- 【单选题】5. – Is she Helen ’ s grandmother? – . A. No, he isn ’ t. B. Yes, he is. C. Yes, she is. A. No, he isn’t. B. Yes, he is. C. Yes, she is.
- Is this your bag? A: Yes, it is. B: No, it isn't. C: Yes, it is not. D: No, it is
- Have you found the book _____ was lost?
内容
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Is this your pen? A: Yes, it is. B: Yes, they are C: No, you aren’t.
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4. Lovely weather, isn’tit? A: Yes, I am. B: Yes, it is. C: No, I am not. D: No, it is.
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Is it your book? _______. A: No, it is B: Yes, it isn’t C: Yes, it’s D: Yes, it is
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4. Hi, is this the new laptop you bought last week? It looks very nice. A: A. Yes, it is. Thanks. B: B. Oh, just so-so. C: C. It doesn’t matter. D: D. All right.
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—Is this a photo [u] [/u] your family? —Yes, it is. A: in B: with C: of D: on