The young mother walked off, leaving the little boy ___________ in the room.
_____ Ming Ming with his sister, I find Ming Ming prefers classical music to pop music.
——Guess what!I met an old school friend last week. ——How nice!How long____ each other?
It_____ years ago when the incident took place, and I nearly forget it.
After the earthquake, the president _____ a three-day period of mourning, the first-ever event of its kind for ordinary people.
At the root of volunteering is____ idea that one person may have____ ability to offer services that can help other people.