Afghans used to hold big weddings, costing thousands of dollars, in a county _____ the average annual income is less than $400.
. They did everything they could to prevent the pollution ______ the river.
. Could I have a word with you, mum? — Oh, dear, if you ______.
. All but one _______ take part in the conference ______ tomorrow.
The fire was finally ______ after the building had ______ for two hours.
. Between the two rows of trees ____ the teaching building.