A teacher handed out a list of twenty“if’’sentences and asked students to discuss and find out the grammatieal rules．What is the teacher’s grammar teaching method

单项选择题When you focus on“utteI’OXICe function”and“expected response”by using examples like“apology／acceptance．inform／acknowledge”，you ale probably teaching language at the__________.

单项选择题Which of the following is a slip of tongue