7. According to the reporter, Derrick Bryson, "Juneteenth" has a lot to do with _____.
(A) the emancipation of the black slave in the South
(B) President Abraham Lincoln's running for presidency
(C) the teenagers' advocation for independence
(D) African-Americans' need for summer vacation

1. 題目解析這道題目要求我們理解“J...