The librarian(图书管理员) warned me _____ the books in two weeks.
Sally took a photo of her friends while they computer games.
When I came here just now, I saw he _______with a black and white dog in the garden.
—You were out when I dropped by your house.— Oh, I_________ in Zhongbai Supermarket with my parents.
—I forgot to bring my dictionary. Could I use yours? — Yes, you _______.
My father is able to _______many different kinds of computers.