The majority of rural migrants are engaged in the most painstaking, most tiring and dangerous work, _______ college graduates are reluctant to do.
News got around quickly_____ a gunman went on a shooting rampage at a movie theatre in Aurora, Colorado.
____, as long as I’m with nature, I don’t care.
The human body consists of organs, each ____a definite job to do.
—Why does the river smell terrible—Because large quantities of water________.
The horse covered the distance in six days_____ the train's 28 hours.