重点句子:
1. I'm going to visit my grandparents this afternoon.(我今天下午要去拜访我的祖父母。)
2. We are going to see a play at the theater tomorrow night.(明晚我们要去剧院看戏。)
3. Can you help me with my Chinese homework, Lily?(莉莉,你能帮我做语文作业吗?)
4. We need to clean the house before our guests arrive.(我们需要在客人到来之前清理房子。)