Unit 1 Lesson 2 Lets practice,本节课重难点,1. 方位介词in/on的用法 2. 初步认识一般过去时 及where引导的特殊疑问句 3.主语 + be动词的过去式+in/on+地点,一般过去时表示过去某个时间里发生的动作或存在的状态,方位介词in/on的用法,in 表示“在里面”。 on 表示“在上,on,in,am/is 的过去式：was,I was at school last week. She was in Harbin yesterday. It was on the moon last night,are 的过去式：were,We were at swimming pool last week. They were in Shanghai yesterday. We were on Mars last week,特殊疑问句： 特殊疑问词+was/were+主语,Where were you last month? Where were they yesterday? Where was he last week,A: Where is the
