mọi người giúp em ạ em không có nhiều điểm 11. Tom told me he _________ call me at the airport when I ___________. a. would/arrived b. will/arrive c. will have/arriving d. would be/arriving 13 12. _______ before?- Yes, I ___________ my holiday here last year. a. Have you ever been/ spent b. Have you ever been/ spend c. Did you ever be/ spending d. Were you ever/ spend 13. While I ____________in the garden, John was repairing the washing machine. a. was working b. work c. working d. to work 14. Peter said that he ___________ a test the following day. a. had had b. will have c. has had d. would have 15. After she _________ at the hospital for 3 years, she _________ to give up the job yesterday. a. had been working/ decides b. had been working/decided c. working/had decided d. is working/will decide 16. Tom _________ before we arrive there. a. has left b. had left c. will leave d. leaves 17. In 1970, The Canadian scientist George Kelly ___________ that warm water _________ more quickly than cold water. a. prove/freeze b. proves/ breezed c. proving/freezing d. proved/freezes 18. After we ________our work, we __________ for lunch. a. having finished/ went b. have finished/went c. had finished/went d. having finish/going 19. They _____________ a lot of preparation before the match started. a. has made b. had made c. will be made d. are making