No sooner had we reached the top of the hill _____ we all sat down to rest.
The police tried to get some clues from the suspect, but he remained______.
________by the advances in technology, many farmers have set up wind farms on their land.
Not until I began to work ____ how much time I had wasted.
It was_______ that they went for a drive in the countryside.
Simon made a big bamboo box the little sick bird till it could fly.