Trắc nghiệm: Most of the guests at the dinner party chose to dress elegantly. but one man wore jeans and a T-shirt. he was later identified as a high school teacher.,Most of the guests at the dinner party chose to dress elegantly. but one man wore jeans and a T-shirt. he was later identified as a high school teacher.,Most of the guests at the dinner party chose to dress elegantly. but one man wore jeans and a T–shirt; he was later identified as a high school teacher.,Most of the guests at the dinner party chose to dress elegantly. but one man wore jeans and a T-shirt; he was later identified as a high school teacher.,Most of the guests at the dinner party chose to dress elegantly. but one man wore jeans and a T-shirt; he was later identified as a high school teacher