I - ***Choose the best option that best completes each sentence: 1- My friend_______ to the museum last weekend.   A. goes B. went  C. had gone     D. have gone 2-Thu and Lan_________ close friends for years.   A. are B. were    C. had been    D. have been 3. Our Singaporean friends………… to visit our school last year.   A. is coming  B. come C. came   D. have come 4. The children_____ their parents for a long time. A. didn’t see             B. haven’t seen C. don’t see D. haven’t see 5- I and Kenny__ pen pal friends since I____ Singapore.   A. are-visit B. were-visited  C. have been-visited     D. were-have visited 6- The kids____________ that show before.   A. didn’t see   B. don’t see   C. aren’t seeing   D. haven’t seen 7- How often----- you___ sports?    –Twice a week. A. did-play B. have-waited C. do-play D. did-played 8- How long____ you__ for me?      -For an hour. A. did-waited B. do-wait C. have-waited D. have-wait 9- Since the worldwide recession of the 1990’s, the sale of jeans __________ growing. A. stopped B. was stopped C. was stopping D. has stopped 10- Vietnamese women__ very proud of their ao dai.   A. are   B. were C. had been D. have been 11- They ______ their friend at the airport tomorrow.   A. will see  B. have seen    C. saw D. see 12- What were you doing when he_____________?   A. comes B. to come C. came    D. coming 13- Monica________ with her sister at the moment until she finds a flat. A. stays    B. is staying      C. will stay  D. is going to stay 14- After I______lunch, I looked for my bag. a. had        b. had had c. have has   d. have had 15- Almost everyone ___for home by the time we arrived. a. leave    b. left c. leaves      d. had left 16-  We _____English this time last week. a. learned  b. were learning c. have learned  d. had learned 17- When I arrived at the party, Martha … home already. a. went      b. have gone   c. had gone    d. would go 18- Henry_____for 10 years when he finally gave it up. a. has smoked     b. has been smoking c. had smoked   d. had been smoking’ 19- While mother I ___dinner  when the phone rang. a. cooked   b. had cooked   c. has cooked  d. was cooking 20- This is the first time I ________ here. a. am        b. have been       c. was             d. be 21- John was reading a book when I ---him. a. see       b. saw                 c. have seen      d. had seen 22- I have been waiting for you________ a. since early morning b. since 9 a.m. c. for two hours d. all are correct