ответ:(+)1)Andrei is wearing a mask
(-)2) My mother is not making a cake
(+)3)The children are (???) a party game
(-)4)Zuhra and Kubat are not decorating the room with the ballons
(+)5)I am opening the present
(+)6) Almaz is blowing up the balloon
(-)7) We are not listening to music
(+)8)You are cating delicious food