Do you hear there was _______ fire in the shopping mall last night?－ Yes. I never thought _______ fire can be so terrible.

Who is that boy ______you ______Tom? [ ]

Ben is one of ________ students in our class. He keeps doing sports every day.

What is your father doing now? -He ________ the room.

Have you finished your homework yet?– No, not yet. I think it’ll take me __________ half an hour.