To her joy, Della earned first the trust of her students and then _____ of her colleagues. 

—Betty told me the last mountainous bike you preferred to yesterday was bought by John.—Oh, my! How I regret that I didn’t buy ______.

My family has two dogs. One is white, ________ is black.

—Shall I help you, sir? —I appreciate ____ if you do me the favor to pack the luggage.

______ is reported in the newspaper, a footballer took money for deliberately not scoring goals so as to let the other team win.