连接副词how,when,where等。(注:if不能引导同位语从句。) He must answer the question whether he agrees with it or not. 他必须回答他是否同意这样一个问题。 4、有时同位语从句可以不紧跟在说明的名词后面,而被别的词隔开。 The thought came to him that maybe t...