Jack has lots of ______. He can learn much from them and use them to mail letters.

Nowadays, though we are living a comfortable life, we have to learn to____ all kinds of pressure.

Work hard _____ you can succeed.

Linda ________ half of the report already. And she will finish the rest this afternoon.

It is the news most parents of the hope that there is a safe and socially approved road to a kind of life they themselves have not had, but their children can.