_____ the three elements of productive forces, namely, the people, the means of production and the subject of labor, the people is that most critical.
He was down with the flu, and ____ couldn’t come to the party.
At last he chanced to sail back towards the place _____ he had started.
My brother got fired a month ago, but he landed on his feet and found another job that paid ____ money.
I didn’t get into the two-hour quarrel; I know how it ______, though.
It is no doubt that once ____ this city, you’ll find that there is so much surprise waiting for you to discover.