The children were last seen ___ by the river.
You know,the tickets for Jay’s concert can ________ online from tomorrow.
________ the Internet is of great help,I don’t think it’s a good idea to spend too much time on it.
Fortunately they________an end to the wrong action in time,therefore a disaster was avoided.
He________invitations to many famous people so as to hold a successful party.
One day I________a newspaper article about the retirement of an English professor at a nearby state college.