The lady who is standing behind the counter.请问英文高手这类句子中...答:连词:that (that 常可省略),whether, if 代词:who, whose, what ,which 副词:when ,where, how, why 等。(一)that引导的宾语从句(在非正式场合that可以省略)可跟that从句做宾语的动词有:say, think, insist, wish, hope, demand, imagine, wonder, know, suppose, see, believe, agree...