Would you mind ________me clean the floor.
The workers are trying to ________ what’s wrong with the machine.
Internet is ________ used by people, especially by young people.
It’s so fine. Why not ________ outdoors?
The plane from Beijing to Hong Kong ________ half an hour ago.
— Look at the postcard. It’s from my pen pal in New York. — Hmm…It ________ so beautiful.