----- Nội dung dịch tự động từ ảnh ----- 1. What's the matter with you? You look (unhappy / unhappily). 2. We greeted the visitors (warm / warmly) and made them feel welcome. 3. John (sudden / suddenly) appeared from behind the door and said hello to us. 4.Ann felt (excited / excitedly) when Alan suggested a date.
