Having devoted his life to the realization of racial equality，former South African President Nelson Mandela＿＿＿on December S，2013

He was about to tell me the secret someone patted him on the shoulder.[ ]

Sorry, I forgot to bring your book.— Never mind. I won’t use it today.

There is a ______ table in the middle ofthe room

–Is Lily your good friend–_________. We are only nodding acquaintances.