Exercise 4. put questions with the question word given: 1. we have been friends since childhood. ( since when ) 2. the rain hasn’t stopped yet. ( general question ) 3. the film has been on for a week. ( how long ) 4. he will have worked as a teacher for 20 years by next september. ( who ) 5. the students have already started the discussion .( what )
2. Has the rain stopped?
3. How long has the film has been on?
4. Who will have worked as a teacher for 20 years by next September?
5. What have the students already started?