52 used to

　　我过去常常和他一起去公园。

　　I used to go to park with him。

　　这个病人曾经对他强壮的身体感到十分自豪。

　　The patient used to be proud of his strong body。

　　我叔叔去年夏天在超市卖菜。

　　My uncle used to sell vegetables in the supermarket。

53 What about /How about…？

　　许多乘客都已描述了那可怕的事故，你呢？

　　Many passengers have described the terrible accident， what about you？

　　去深海潜水怎么样？

　　What about diving deep into the sea？

　　试一试怎么样？

　　What about having a try？