From his         look, we could see the boy was         of the stranger.

Recently our government policymakers are very _______about the rapidly rising food costs. 

After the long journey, the three of them went back home,_________.

After a thorough search, the rescue team finally brought the mountain climbers back, __________.

—If you go to the post office，would you please get me a stamp？　　 —I am ______ willing to.