Anna is outgoing.She has _______ friends.

Who’s that man over there standing in the garden? Is it Mr. White?—It __________ be him. He has gone to Shanghai on business.

A new book on how to prevent floods and droughts is ____ soon.— Really ? I can’t wait to read it.

Violence (暴力) in films has a bad effect ____ people.[ ]

Did you see that programmeSouth Africa last night?