When you focus on "utterance function "and "expected response" by using examples like "apology\acceptance,inform lacknowledge "you are probably teaching language at the ___. a,lexical level b discourse C story level d,grammatical level
看看下面这个例句就明白: Linguists have already conducted detailed studies on kinds of speech acts, such as request, apology, compliment, refusal and so on. 语言学家对各种言语行为如请求,道歉,恭维,拒绝等进行了一系列的研究,但对于奉承言语行为的研究则相对较少。