学生们安静地进入教室开始上课。

The students quietly ___entered the classroom to start the lesson.

他终于决定参加这次马拉松比赛。

He finally decided to ___enter the marathon race.

请在表格中输入你的姓名和地址。

Please ___enter your name and address in the form.

她参加了今年的马拉松比赛。

She ___entered this year's marathon race.