【29】A．whatB．whichC．thatD．if

A．whatB．whichC．thatD．since

【36】A．whatB．howC．thatD．which

【C11】A．whatB．whichC．thatD．one

There are many animals, however, ____ never play.A: whatB: whichC: thatD: where

【C3】A．whatB．to whichC．in thatD．where

【C7】A．whatB．whichC．thatD．as