【23】A．YetB．HenceC．ThusD．Besides

A.EvenB.MoreoverC.ThusD.Ever

A．unlessB．beforeC．thusD．until

A．thoughB．whetherC．thusD．how

【C10】A．thereforeB．henceC．accordinglyD．nevertheless

【C17】A．SoB．HenceC．ButD．And

【C6】A．yetB．henceC．thusD．then