11)The United States has a _____ of around 250 million. a. addition b. introduction c. separation d. population 12)Mathematics and Literature are _____ subjects in schools. a. optional b. adding c. compulsory d. religious 13)Churches, temples and pagodas are places of _____. a. gossip b. wardship c. worship d. friendship 14)Uniforms make students _____ equal in many ways. a. feel b. fell c. to feel d. feeling 15)They went to see a movie _____ “Ghosts and Monsters”. a. in b. as c. for d. of 16)The continent of America was named _____ the name of a sailor of the Columbus. a. is called b. called c. calling d. to call 17)There _____ a movie theater here, but it closed a long time ago. a. is b. used to be c. used to being d. have been 18)Peter got _____ quickly and went to school. a. dress b. dressed c. dresses d. dressing 19)In the 1970s jeans became cheaper, _____ many people began wearing jeans. a. however b. but c. because d. so 20)Are you proud _____ your country and its traditions? a. about b. on c. of d. for