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

After the long journey, the three of them went back home,_________.

America is a(n) ___ country.You can hear___everywhere.

 Since Margot found it difficult to settle in a new place, she felt ______ that the family had to move.

—Do you have any idea why the engineer resigned?—No. In fact, everyone is ____about it.