Read the following passage and circle the best option A, B, C or D that fits each blank

* Read the following passage and circle the best option A, B, C or D that fits each blank. (2.5pts)
      Dear Sally,
We are having a wonderful time (15) ……… the USA. The (16) ……… are friendly and the (17) ……… has been warn and sunny. In San Francisco, I (18) ……… my friends, Sandra Smith and (19) ……… family. It was (20) ……… to see them. I (21) ……… lost of souvenirs (22) ……… the children. Thanh is always complaining about the (23) ……… of my suitcase.
See you (24) …………
Love,
Quyen.
15. A. of                      B. on                                       C. in                                        D. at
16. A. boy                   B. student                               C. friend                                 D. people
17. A. picture              B. weather                               C. people                                 D. summer
18. A. visiting                         B. visited                                 C. to visit                                D. visits
19. A. her                    B. them                                   C. him                                     D. you
20. A. loving               B. lovely                                  C. love                                                D. to love
21. A. is bought          B. to buy                                 C. bought                                D. has bought
22. A. between            B. on                                       C. to                                        D. for
23. A. heaviness          B. heavily                                C. heavy                                  D. heaviness
24. A. on                     B. last                                      C. soon                                    D. so