I called you at 7:00 yesterday evening,but no one answered.Sorry,I_______ with my family at that time in the cinema.

The firemen _____ the fire in the end.

Mum, must I wash the dishes right now?— No, you ______.

The number of the red-crowned cranes will become ____ if we don’t take any action.

Mike is really a polite boy.— Yes. He ________ “Good morning” to me every day.