1. This extra work will help you improve your skills.
这项额外的工作将有助于你提高技能。
2. She took an extra hour to prepare for the meeting.
她额外花了一个小时准备会议。
3. He has an extra ticket for the concert.
他还有一张音乐会的额外门票。
4. The teacher gave us an extra assignment.
老师给我们布置了一个额外的作业。
5. The company is offering an extra 10% discount on all purchases.
这家公司对所有购买提供额外的10%折扣。