MY UNCLE USED TO BE A HIGH SCHOOL TEACHER.A. HE’S USED TO BE A TEA...

36. - DE THI VAO LOP CHON 11
DE THI VAO LOP CHON 11
36. My uncle used to be a high school teacher.A. He’s used to be a teacher of a high school.B. He’s a teacher of the high school.C. He once was a high school teacher.D. He’s been a high school teacher.