They entered the area without p_____(允许).
举一反三
- When they entered the area, the visitors (require) _________ to turn off their smartphones.
- When<br/>they entered the area, the visitors ______ to turn off their<br/>smartphones. (require)
- When they entered the area, the visitors ( require) to turn off their smartphones. The answer isisrequired.
- She entered the room without _______. A: knocking B: being knocked C: knocked D: being knocking
- The girl entered the office building without ________. A: to be asked B: ask C: being asked D: to asking