【C20】A．moreoverB．howeverC．thereforeD．furthermore

【C5】A．andB．howeverC．soD．therefore

A．soB．HoweverC．BesidesD．Therefore

【C2】A．moreoverB．howeverC．thereforeD．nevertheless

【C20】A．moreoverB．howeverC．stillD．yet

【C11】A．MoreoverB．HoweverC．AnyhowD．After all

【C20】A．MoreoverB．HoweverC．ThereforeD．Whereas