【单选题】
12. ____ you return the dictionary to the library immediately, you will be fined.
【单选题】
If you multiply 3 [填空]4, you get 12.
【单选题】
12.You _____ return the book now. You can keep it till next week if you like.
【单选题】
12. If you _______materials from other books in your paper, you should mark them out.
【单选题】
12. Could you tell us____ her aunt will stay here?
【单选题】
12. When you are _____ with the book, please don’t throw it away.
【单选题】
12. I’m very sorry to have _______ you with so many questions on such an occasion.
【单选题】
Do you think I could borrow your dictionary?
【单选题】
You________return the book now. You can keep it till next week if you like.
【单选题】
-- How long ______ you ______ the library book?-- For three days.