他在打印机的纸盒里放了一张新纸。

He is ___inserting a new sheet of paper into the printer tray.

她在表格中插入了新的数据。

She is ___inserting new data into the form.

她在食谱中插入了一张便条，提醒自己少放盐。

She is ___inserting a note in the cookbook to remind herself to use less salt.