If you have lost a book, call this number.
举一反三
- Have you found the book _____ was lost?
- If you wish to call a phone both easily and inexpensively, you have to know the （）and the phone number.
- I lost your telephone number. _______ I would have rung you up long before.
- If you want to phone him, you’ll have to ____the number in the book first.
- If you should change your mind about my offer, you can call me at this number. _________________your mind about my offer, you can call me at this number.