Most of the housework was done by two members of the family, my sister and _______. 

—Did you find your pen this afternoon? —No, I didn’t find _________, but I’ve bought _________.

—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 ______.

Sometimes we buy a magazine with absolutely no purpose ________ to pass time.

 — Who would you like to see you off at the airport?—           . Just say “good-bye” at home.