Urban (城市) crowdedness would be greatly relieved if only the_______ charged on public transport were more reasonable.

It is insisted that the One-China        should be the basis for the development of relations between the mainland and Taiwan. 

--Is there ___ wrong with your eyes?  ---No, ____.

David is a skillful worker. I’m sure he has enough _______ to fix all the electronic ______.

 There existed an obvious________ between the accounts of the witnesses, so a judgment was not announced in court.