【C14】A．howB．whoC．whatD．which

A．howB．whenC．whatD．why

【C18】A．peopleB．whoC．whatD．friends

【C14】A．whichB．thatC．whatD．where

【C3】A．howB．whyC．whatD．which

【C6】A．howB．whyC．whatD．which

【C14】A．whichB．whoC．thoseD．whom