If you have difficulty ________ a particular book, please ask one of the librarians for assistance.
举一反三
- If you have（ ）question, please feel free to ask me.
- If you have any question about citation or about a particular style, ask a librarian for help.
- Please read over the book ______. I have to return it to the library tomorrow. A: as quick as you can B: as quickly as you can C: as quickly as one can D: as quick as possible
- 智慧职教: If you have any questions at all, please feel free to ask me.
- 介副词填空： When you are in difficulty, you may ask _______ her help.