.—I can’t find Mr. Smith.  Where did you last see him this morning?—It was in the hotel _______ he stayed.    

I dislike _________when others laugh at me in public or think poorly of me behind.

____ has been heated discussion over which country bakes the world’ s best pizza: Italy, where pizza began or the US, where it was globalized. 

---- Anne acts in an unfriendly way. ----- I think she is _____ than unfriendly.

 Space exploration has been made ______ with the development of modern science and technology.