It knowledge is power, ______Sir Francis Bacon wrote in 1579, ______perhaps creativity ca be described as the ability to use that power.
Provide your doctor with a detailed medical history ________ he can give you accurate treatment.
—I don't mind how you do it ________ you finish the painting on time.—OK, I see.
The government should consider ________ people and the environment will be affected before they make decisions.
________ is often the case with old people, my grandfather is fond of doing morning exercise.
It hasn't been made clear ________ the new underground line is to be open to traffic.