Parents ________ much importance to education. They will do their best to give their children that priceless gift..[ ]

I think ______ is necessary ______us to do something useful to protect the birds.

Lack of money led the company to a situation _____they had to decide whether they should keep on with their production.

The officials said the downward trend of H1Nl flu activity did not ____ mean the worst was over Flu activity might pick up next year [ ]

The chairman requested that ＿＿＿＿＿＿＿＿＿＿＿.