38: She learns ................. to use a computer in Computer Science class. A. how B. what C. which D. who 39: Who is the .................. of "Truyen Kieu" ? - It’s Nguyen Du. A. teacher B. student C. author D. journalist. 40: Dryer, washing machine and .............. are household appliances. A. table B. fridge C. chair D. couch. 41. They ______ table tennis when their father comes back home. A. will play B. will be playing C. play D. would play 42. By Christmas, I _______ for Mr. Smith for six years. A. will have been working B. will work C. have been working D. will be working 43. I _______ in the room right now. A. am being B. was being C. have been being D. am 44. I ______ to New York three times this year. A. have been B. was C. were D. had been 45. I'll come and see you before I _______ for the States. A. leave B. will leave C. have left D. shall leave 46. The little girl asked what _______ to her friend. A. has happened B. happened C. had happened D. would have been happened 47. John ______ a book when I saw him. A. is reading B. read C. was reading D. reading 48. He said he _______ return later. A. will B. would C. can D. would be 49. Jack ________ the door. A. has just opened B. open C. have opened D. opening 50. I have been waiting for you ______. A. since early morning B. since 9 a. m C. for two hours D. All are correct