用方框中词语的适当形式补全对话。 come, homework, listen, see, help, be, write, go, like, look, song, tell A: Look! What is Li Lei 1______ on the black- board? B: Let's go and have a 2______! A: Li Lei, what 3______ you writing? C: Xie Xiaodong is 4______ to our school this afternoon. He is going to sing his new 5______ I want 6______ this to all the students. Come, I want some 7______. A: OK. Are you going to 8______ to Xie Xiaodong's songs, Li Lei? C: Certainly! I 9______ him very much. And you? A: No, I want to do my 10______ at home.