What about _____________athome

There is much truth in the idea _ kindness is usually served by frankness.

To our _________, Hawking didn’t worry about his problems in the slightest, _________, he just face the problems.

(2013·重庆模拟)—When did your brother begin to show his interest in medicine? —It was a Saturday　　　he noticed his classmate experimenting on a frog in the lab.

The old man, ______ abroad for twenty years, is on theway back to his motherland.