At hotel, before you turn on the TV, you should make sure that you have a clear understanding of the method of payment and the side of the bill._
举一反三
- Before you start, make sure you have a clear idea of why you are starting a company.
- – Make sure you turn off the air conditioners before going out. – ______.
- If you want to leave deep impression on somebody, you’d better make sure to have _______ before the conference.
- You have to__what time the train leaves before you book the ticket. A: sure B: make certain C: be sure D: be certain
- 6. You _______ watch TV before bed. It will stop you from sleeping. A: should B: shouldn’t C: have to