Tens of thousands of people marched to the Martin Luther King Jr.Memorial, celebrating the 50th anniversary of King's famous speech, through which we know _____ he said meant to the black.
--I'm going downtown. --Come on.
--Shall Mary come and play computer games? --No,__________ she has finished her homework.
--I'm sorry, I shouldn't have been so rude to you. --You___________ your temper but that's OK.
Whether ways will be found to stop pollution or not is just___________ worries the public.
The plan __________just because people were unwilling to cooperate.