They’ve finally decided to put an end to the long and bitter ________ between them and make peace.

I was ill that day, otherwise I ____ the sports meet

Xi’an is a city with many places of interest and _____ tourists come here every year.

You’d better take something to read when you go to see the doctor ________ you have to wait[ ]

______ environmental damage is done, it takes many years for the ecosystem to recover.