4． —Is that your book _________the lost and found case? —Yes ，it is． A． at B．in C． on D． of
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?