—Remember that where and when two different English question words___________. —I see, but can you tell us how to use them, sir?

—Two months ______quite a long time. 　　—Yes, I’m afraid that he will miss lots of his lessons. 

The day before yesterday the police including one officer ____ searching for the murder in that mountain.

The police________ already_______ his house but haven’t found any evidence against him.

Janet as well as the other young people who ____ sent abroad by the government ____ brought up in a small town.