【C19】A．useB．employC．applyD．utilize

A．useB．heatC．pressureD．form

A．useB．usedC．usefulD．usefulness

【C10】A．useB．placeC．viewD．absence

【C19】A．useB．arrivalC．denialD．free

【C10】A．useB．have usedC．usedD．are used

【C8】A．useB．differenceC．pointD．sense