7.Chinese people invented paper. Lingling finished her homework. I've got a new friend. She didn't walk to school yesterday. They bought a picture of the Great Wall.
21.Lingling had a busy yesterday.In the morning she painted a picture and played the flute.In the afternoon she cleaned her bedroom,then she washed her clothes.In the evening she cooked supper(晚飯). 閱讀短文,判斷所給句子的正誤畫√或× (1)Lingling didn't paint a picture.