英语:必修4_Unit2_Working_the_land--Language_points课件(人教新课标)
英语:必修4_Unit2_Working_the_land--Language_points课件(人教新课标)第2页

1. Have you ever grown any plants? If so, what did you do to grow them? If so=If you have ever grown some plants. so 表示“象那样的,如前所说的”,用于代替已陈述的事。如: -----can you pass the exam? ------I hope so.