--How long can I _____ the book?--Three weeks.
---Remember to turn off the lights before leaving the classroom, children.--- .
He is very glad and keeps smiling,____he has already known the good news.
--Do you have a dictionary? I want to________some new words in it.---Yes, I do. Here you are.
---What can I do for you? ---__________________.
If you can’t decide which of the two books to borrow, why don’t you take_____?I won’t read them this week.