40. The old students one another in the school yard. a. clutched b. gathered c. greeted d. looked 41. My brother is the guitar. a. mending b. constructing c. doing d. building 42. The teacher is always strict his naughty pupils. a. of b. to c. about d. with 43. - Must I lock the door before I leave? - No, you Someone can do it for you." a. mustn't b. needn't c. don't d. haven't 44. Everybod y healthy and good looking. a. looked at b. looked c. looked of d. looked after 45. Hoa is She doesn't have any friends. a. lonely b. alone c. unique d. available 46. He's just come back his farm. a. from b. in c. of d. for 47. After he his homework, he went to bed. a. had finished b. has been finishing c. has finished d. would finish 48. The old pupils gather and talk to _________________ a. happily b. one another c. together d. in the school 49. The new supermarket is for more salesmen, a. advertising b. informing c. requesting d. advising 50. My new job is much _______________ a. interesting b. interested c. interest d. interests