In some cities the traffic police use computers to keep the traffic________smoothly.
In just a decade, the company has been ________ from a family business to a large operation.
The folk song concert was so well _______ that all the tickets had been sold out on the first day.
—I’ll join the music club ________ Mary is in the club, too.—You mean if Mary joins the club you’ll do, too.
Bears often hide themselves in places ________ can’t be found by hunters.
When I turned to the person ________ next to me, I recognized that he was my schoolmate.