_____in the queue for half an hour, the old man suddenly realized he had left the purse in the office.
It is generally considered unwise to give a child ____ he or she wants.
It was __________________ back home from work.
They asked the government to make ______clear to the public ______ they did was right.
The reason why he failed is ______ he was too careless.
We were about to climb up to the top of the mountain ________ it began to rain heavily.