Present Continous Questions Exercise 7

PRESENT CONTINUOUS QUESTIONS
Uzupełnij luki, tworząc pytania w czasie Present Continuous z podanych wyrazów (np. Are you reading, is he sleeping).
Who (sing) in the shower?
What (happen) outside?
Who (use) my laptop?
What (make) that terrible noise?
Who (sit) on my chair?
What (burn) in the kitchen?
Who (win) the match right now?
What (fall) from the sky?
Who (knock) on the door?
Who (stand) behind you?