A lot of trees ______ in our school last year.
—____________ —I can’t find my wallet. There’s a student card in it.A. What’s up? B. What are you doing?C. Are you all right?
Here are your books. Please ___________.A. put it away B. put them away C. put away them
— How long can I ____________ the book? —Two weeks.A. borrow B. keep C.using