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All animals in nature must learn to        to a changing environment in order to survive.

It takes ______ to talk to others on the team when that might expose some of your own weaknesses or ignorance.

The kids seated themselves      to the teacher and listened          with great interest.

Studies show that sunshine, fresh air, and plenty of rest often _______ a person’s recovery from sickness．

If you see Jack please give my __________ to him for not having written to him.

Unfortunately，the band ______ of a singer, two guitarists and a drummer broke up soon.

Parents should be ____________ in the way they teach their children, so that the children know how to do.       

The most successful retired athletes are those who can ____ the life skills they learned in sports to another area of life.

How _____ I was when I heard the ______ news!

Women’s fashions are       changing: One season they may favor pant-suits, but the next season they may prefer miniskirts.