More than one hundred got saved from the fire _____ helicopter.
Sally worked late in the evening to finish her report ______ her boss could read it as the first thing next morning.
This will be the second time that he ____________ China.
The policeman warned the driver ________ so carelessly.
Those ________ are not fit for the work should leave office at once.
When the expression first came into being, people refused to use it but _____ they began to accept it.