—Can I come this afternoon or tomorrow morning?— is OK. I'm free today and tomorrow.
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.
Monday is his ________ day in a week.