20、在游泳池里游泳:swim at the pool
19、一些图片:some photos
18、在第一张图里:in the first photo
17、谢谢某人做某事:thanks/thank sb for doing sth
16、谢谢你的来信:Thanks for your letter.
15、 打篮球:play basketball
14、在图书馆:in the library
13、购物:shop=go shopping=do some shopping
12、游泳:swim=have a swim=go swimming
11、等候某人做某事:wait for sb to do sth