1. Circle the underlined auxiliary verbs if they are stressed. Then practise saying the conversations with a partner. Khoanh tròn các động từ khuyết thiếu sau nếu chúng được nhấn mạnh. Luyện nói với bạn bè. 1. - Don't you see the sign? - Yes, I do, but what does it mean? - It means you mustn't walk on the grass. 2. - You don't have the key, do you? - No, I don't. I'm going to climb through the window. - Are you really? - Just kidding. I'm using the back door. It isn't locked. 3. - I've just come back from Scotland. - Wow... Did you visit Edinburgh? - Yes, I did, and I spent a whole day on the Royal Mile. - I do wish I could visit it one day. Key - Đáp án: