— I am going to the dentist at 4 o'clock and it is 3：30 now.— Well, if you ______ leave earlier today, please ask the director for permission.

You’d better ________ right after supper.

With the help of the smart phones, you ____ video chat with your friends on the phone.

— The Queshi greenway has become a popular place for Shantou people on the weekends. — That’s right. And you ________ drive your car on it because it is a path for cycling and walking. 

---Excuse me, may I take the magazine away? ---No, you ______. You ______ only read it here.