That’s very kind _________you _________me.

Listen! Is Kate playing the piano in the room—No. It _________ be her. She has gone to London with her parents.

It was commanded that the coal mine survivors ____ to the nearest hospital for treatment.

We all like the story about our English teacher _________ happened in our school last week.

You’d better pull your car over to the side of the road if you ______ answer a phone call.