6、llnotclear.(who作主语)连接副词引导连接副词when,where,how,whyWehaven’tyetsettledthequestionwherewearegoingtospendoursummervacation.到哪儿去度暑假,这个问题我们还没有决定。Step4.Test巩固性练习:1.Thefact____sheworkshardiswellknowntousall.A.that B.what C.why D.which2.Thefact____hewassuccessfulproveshisability.A.that B