Excuse me, I wonder if you can help me?—Sure. _______?

The clothes made of animal fur look nice _____ Millie’s mother.[ ]

About one third of the population in Beijing and Shanghai ______ netizens, but in poorest areas, only three or four percent ______ online.

I think she must stay _____ home. [ ]

Every one should make a contribution _______ protecting the environment.[ ]