I’d love to join in your visit to a local museum today, but I’m on a very tight ________ -I’ve got a lot of work to do today.
--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 (合作).