The students said they would finish the project by Friday.
学生们说他们会在周五之前完成项目。
When they arrived at the park, it started to rain.
当他们到达公园时，开始下雨了。
They decided to take a different route to avoid traffic.
他们决定走另一条路线以避开交通。
After the meeting, they went out for dinner together.
会议结束后，他们一起出去吃晚饭。
They have been friends since childhood and know each other well.
他们从小就是朋友，彼此非常了解。
Because they were late, the event had already started.
因为他们迟到了，活动已经开始了。
The team believes they can win the championship this year.
团队相信他们今年能赢得冠军。
While they were hiking, they saw a beautiful waterfall.
当他们在徒步旅行时，他们看到了一个美丽的瀑布。
Before they left, they made sure to lock all the doors.
在他们离开之前，他们确保锁上了所有的门。
They promised to help if they had enough time.
他们承诺如果有足够的时间就会帮忙。
they have a plan 他们有一个计划
they went home 他们回家了
they will succeed 他们会成功
they are friends 他们是朋友
they can help 他们能帮忙
they know the truth 他们知道真相
