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At the end of the year 2010, some species of birds ddn’t survive the _____ winter in some European countries.

People tend to live more happily and longer if they are ________ about life.

Anyone with a college degree can apply for the job but those with _______ working experience are ______.

The old father ______ the project ten years ago but didn’t live long enough to complete it so
his sons and daughters ______ and are continuing doing it now.

There is a Malay saying: “It is easier to teach a stupid person than a ______ one”.

We must create a safe and ______ international environment of lasting peace.

However，at times this balance in nature is _______ resulting in a number of possibly unforeseen effects.

Your ideas are very interesting, but we need _______ suggestions to get us out of the mess.

Everybody said it was an ideal marriage; no one had ever known ______ couple.

Our country are working even harder now to _______ the gap between the developed countries and ours.