According to the school rules, no student _______ go out of school without the permission of the teachers.

Five-star hotels provide better services than some small hotels. You _______ even use free WIFI there.

There are no customers in the hotel. It ______ have the friendliest service.

—May I take photos in the museum? —No, you        . You       obey the rules here.

—— Where is your father?  —— He has gone to the supermarket. He __________ at home.