Unit 2Lesson 2They go to the park.laIm late.Im glad youre back.Im worried.glad高兴的Im glad youre back.worried担心的Im worried.I was in the park with my friend.Watch and find:Was Wang Hong happy?Watch and find:Watch and find:Was Danny happy,too?Watch and find:Was Danny happy,too?不,不是为什么呢?可怜的小结: