Everything was placed exactly ____ he wanted it forthe graduation ceremony

Miss Li ________ as a secretary for five years in the company, and now she is general manager of it.[ ]

______ is your grandpa， Emma —He’s watering the flowers in the garden.

You should remember ________ difficulties we may come across, we will overcome them.

With the word “ PM2.5” ________ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days.