It knowledge is power, ____Sir Francis Bacon wrote in 1579, ______ perhaps creativity ca be described as the ability to use that power.
—Have you your application form,Janet? —Not yet.
If better use is ________ your spare time,you’ll make good progress in doing your business.
It is believed _______ he has gone to Shanghai. The problem is ________ we can’t get in touch with him.
____ the 1990s, the number of antelopes had fallen to about 50,000.
I'll never forget the day _______ I bought my own guitar with my own money.