Definition: to need or demand something Level: B1
如果您需要行李协助，我很乐意找人帮您。
If you ___require assistance with your bags, I’ll be glad to get someone to help you.
需要建筑许可证。
A building permit is ___required.
成为一名医生的培训需要大量努力工作。
Training to be a doctor ___requires a lot of hard work.
