Choose the right variant: listen! my friend … the song. (sing, sings, is singing) i … some problems at school. (have, has, am having) they … to visit galleries and museums. (likes, are liking, like) where is mum? she … . (cooks, cooking, is cooking) i can … a lot of girls in the street. (am seeing, sees, see) his brother … the piano very well. (play, plays, is playing) look! they … to the library now. (go, are going, is going)