---There's going to ______ a concert in the hall tonight.  ---Yes, and the last performance will be given by Wang Fei. 

—Jack, could you help me        when the plane will take off on the Internet? —I’m sorry, my computer doesn’t work.

These words that we should pay attention to         on the blackboard.

Lots of students are_________ in tigers and other wildlife.

—Whose pencil box is this?—It _____ be Tom’s. It has his name on it.