在其他人回家后，我决定留在办公室完成报告。

I decided to ___stay ___behind at the office to finish the report after everyone else had gone home.

弗朗辛先走了，我留下来等安妮。

Francine went on ahead and I ___stayed ___behind to wait for Annie.

大多数学生都去旅行了，但少数几人选择留下来参加额外的辅导。

Most students left for the trip, but a few chose to ___stay ___behind for extra tutoring.