If you _____ leave early on weekdays, do it quietly. The other classmates are also dying to have an early leave.

My pen doesn’t work well. Could I borrow _____, John?

— Is there an express to Beijing tonight? — There ______ be, but you’d better call the booking office to make sure. 

Tom, you ________ leave all your clothes on the floor like this next time. 

You ________ come tomorrow. I can do it myself.