看一看，根据图片提示填空，补全句子。1. What are you going to do this weekend? I'm going to ___________________. 2. What are you going to do this afternoon? I'm going to ___________________. 3. Where are you going tomorrow? I'm going to the ___________________. 4. What are you going to do? I'm going to buy some ___________________. 1. watch TV 2. the Great Wall 3. bookstore 4. books