12. you …worry about it.a) not must b) don’t must c) must not 13. it …again. it … all the time here in the winter a) rains, rains b) is raining, is raining c) is raining , rains 14. … you. a) think, likes b) am thinking, likes c) think, is liking 15. who … the window? a) opened b) did open c) did opened 16. why … ? a) those men are laughing b) are laughing those men c) are those men laughing 17. what …? a) does she want b) does she wants c) she want 18. i didn’t …he was at home. a) thinking b) thought c) think 19. …a hole in my sock. a) there is b) is c) there are 20. we are going …the opera tomorrow night. a) at b) with c)to
