甘肃省2012届高三英语二轮专题集训：补全对话+单词拼写（32）补全对话：根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选题。 a:i don’t understand how or why．___1_____ b: but you just had it this morning,didn’t you? a: yes．_____2______ b: have you checked all the usual places? a: _______3_______ b: well,please wait until i get finished here．
