21.  Since schools in the state began reducing class sizes, the district has been forced to embark on a massive hiring effort to fill new classrooms.

22.  So there is a continual massive bidding effort.

23.  So Pec is left in ashes, and posing the greatest challenge to a massive international effort to help Kosovo rebuild.

24.  Still, the market in developing nations is young, and doing business requires a massive effort involving education, networking and financing.

25.  Stadium supporters are relying on a massive effort, orchestrated by political consultant Jack Davis, to man phone banks, ring doorbells and usher voters to the polls.

26.  That massive effort was killed by bad timing and too much secrecy and arrogance on the part of Hillary Rodham Clinton and other administration officials.

27.  The busy-signal crisis hit almost immediately, and he circled the wagons, while organizing a massive effort to install half a million modems.

28.  The gap between repairs in lower-income neighborhoods and those better off persists despite a massive effort to assist disaster victims.

29.  The irony is that such a massive effort was needed to tackle such a tiny quirk.

30.  The massive effort could take months.