（ ） prize for the winner of the competition is （ ） two - week holiday in Paris.
（A）A; a
（B）A; the
（C）The; a
（D）The; the
All the （ ） in the hospital got a rise last month.
（A）women doctors
（B）woman doctors
（C）women doctor
（D）woman doctor
Do you know how many （ ） a horse has and how many （ ） a bee has?
（A）teeth; feet
（B）tooth; foot
（C）tooth; feet
（D）teeth; foot
