【C10】A．DespiteB．AlthoughC．IfD．So

A．becauseB．althoughC．unlessD．so

A．so thatB．in order thatC．even ifD．in case

【C7】A．DespiteB．ByC．WithoutD．With

【C17】A．WhileB．AlthoughC．SinceD．So

Old______he is, he still studies English every day.A．asB．althoughC．ifD．like

【C10】A．andB．thatC．butD．so