what objects should be taken out to be checked when you go through security check ？
举一反三
- When you go through the security check, if you have a laptop in your bag, you should take it out and put it in a tray.
- What should be taken off when you are going through the check
- Everyone ______ go through the security check when entering the World Expo Park.
- What should you do when you go out with your friends? To try _____ ______ _______to each other.
- What will people have to do when they travel by air?( ) A: Watch an in-fight movie B: Buy a ticket C: Check in at the hotel D: Go through security