The book ________ I bought yesterday is very interesting.

Devoted parents are never mean to their children, and they are always willing to devote all they have ______ their kids.

Laura has been ________ as the secretary from 300 applicants for the job.-How lucky she is!

Leaders of many countries have been trying to ______ what it is that makes China develop so fast.

Could I use your telephone— Yes, of course you ________.