We are much ______ happy to hear of the success of our team. 

You’re getting too old for football. You’d better _________tennis instead.

The old couple decided to　　 a boy and a girl though they had three of their own.

Several years after they got married he ____ chatting on the Internet until very late, which eventually resulted in their divorce.

He started to study ecology and decided to  _______his whole life to the science.