giúp em 33. At 5 p.m yesterday, I __________ football with old friends. a. was playing b. had been playing c. played d. playing 34. At 9 a.m tomorrow, I ____________ English at school. a. was learning b. will be learning c. learn d. have learned 35. I will call you as soon as I __________back our school. a. came b. come c. will come d. is coming 36. By the time you were born, we _________ a town house. a. buy b. will buy c. bought d. had bought

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