2019年12月英语四级作文常用关系词：因果关系

　　because;

　　because of this;being that;

　　another important factor/reason of... ;

　　since; as;

　　for;

　　in that...;

　　owing to;

　　due to;

　　for the reason that...;

　　in view of;

　　the reason seems to be obvious;

　　there are about... ;

　　for this reason;

　　as a result of this;

　　therefore;

　　...and so...;

　　consequently;

　　as a result;

　　thus;

　　hence;

　　so;

　　so that...;

　　in consequence;

　　as a consequence;

　　accordingly;

　　inevitably;

　　under these conditions

　　thereupon.