Now that the sign reads, “No person ______ smoke here”, please choose a seat in the smoking area over there if you _______ smoke.
--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).
The customer bargained with the shopkeeper for a long time, and finally they agreed ___________ the price.