一、用从句表达让步状语考点一though和although引导的让步状语从句这两个连词在一般情况下可以互换使用。在口语中,though较常使用,although比though正式,且二者都可与yet,still或nevertheless连用,但不能与but连用。典例:1.I don’t believe we’ve met before,I must say you dolook familiar.A.therefore B.although C.since D.unless2.It was a nice meal,____a little expensive.A.though B.whether C.as D.since First, the use of clauses to express concession addendum a while and although guided concession adverbial clause conjunctions in the general case can be used interchangeably. Although spoken, although more than the formal, and both can be used with yet, still or nevertheless, but not with but. Examples: 1.I do not believe we’ve met before, I must say you dolook familiar.A.therefore B.although C.since D.unless2.It was a nice meal, ____ a little expensive.A.though B .whether C.as D.since