It is known to all that every minute ____ full use of____ the lessons will benefit students a great deal．

My brother is ____ years old．Today is his _____ birthday．

In order to find ______ better job, she planned to learn ______ second foreign language.

Jamaican Usain Bolt was reported ______the world record of 69 seconds, thus winning his first gold medal.

Ssh, please be quiet. The baby _______ .