It was a matter of ________ would take the position.
A modern city has been set up in _____ was a wasteland ten years ago.
His technique has developed to the point _____ he can help kill the latest computer virus going round the city.
The place _____ the bridge is supposed to be built should be _______ the cross-river traffic is the heaviest.
It was an agreement, ______ could not be changed.
The shopkeeper did not want to sell for ______ he thought was not enough.