31.   These new discoveries raise a host of questions, not the least of which is why the Moche performed human sacrifices.

32.   This goal raises a host of important questions.

33.   This vague phrasing raises a host of questions.

34.   While the airdrop option eliminates some threats that a multinational ground force would have faced, the new plan has raised a host of practical and logistical problems.

35.   While the practice dates back decades and, broadly speaking, is legal, industry executives and analysts say it can raise a host of ethical questions.

36.   A new name has stepped into the volatile mix of Belarusian politics, raising a host of questions.

37.   And that raises a host of problems both ethical and emotional.

38.   Gingrich has promised to raise a host of uncomfortable issues with the Chinese, especially human rights.

39.   Puerto Ricans raise a host of environmental, health and other objections to the practice bombing.

40.   Richardson was expected to raise a host of issues with the Taliban army before traveling to Shebergan, the headquarters of Uzbek warlord Rashid Dostum.