Plans have been proposed ______ the largest dam in the world to be built along the Congo river.
Living in Western China certainly has its problems, _________obtaining water is not the least.
In the keen competition of this international tennis tournament, she ________ won the championship.
By the time you arrive in Liverpool, we ___________ in France for two weeks.
To maintain a nice relationship, both sides are advised to focus on _________ they have in common.
After the disaster, the first thing the local government did was to provide _____ for the homeless families.