【C19】A．uncoverB．unsettleC．unlockD．undress

【C19】A．advantageB．exceptionC．measureD．charge

【C19】A．plainB．earnestC．commonD．usual

【C19】A．tastelessB．tastyC．tastefulD．taste

【C19】A．ThereforeB．MoreoverC．FurthermoreD．However

【C19】A．shouldB．couldC．shallD．must

【C19】A．takingB．laboringC．sufferingD．carrying