课件26张PPT。本课栏目开关本课栏目开关replacedwithreplacedas本课栏目开关B 本课栏目开关本课栏目开关本课栏目开关were about to set out when Awas wandering through the street when 本课栏目开关本课栏目开关本课栏目开关be delighted to have a chancewas delighted attakes great delight in 本课栏目开关B 本课栏目开关本课栏目开关本课栏目开关Now thatA本课栏目开关本课栏目开关本课栏目开关for the first time The first time 本课栏目开关D本课栏目开关本课栏目开关本课栏目开关concentrate on B 本课栏目开关本课栏目开关本课栏目开关本课栏目开关sections of different kinds plenty of useful expressions be very popular with... 本课栏目开关本课栏目开关课件16张PPT。语法感知When When While 本课栏目开关语法感知Since Now that As 本课栏目开关语法感知Sincesincebeforewhenbeforethat 本课栏目开关知识储备本课栏目开关知识储备本课栏目开关知识储备本课栏目开关知识储备本课栏目开关知识储备本课栏目开关知识储备本课栏目开关知识储备本课栏目开关知识储备while As/When before After/When since 本课栏目开关知识储备本课栏目开关知识储备本课栏目开关知识储备本课栏目开关知识储备D 本课栏目开关知识储备C 本课栏目开关课件12张PPT。课件12张PPT。DDDC ACB
