Giúp mik vs ạ mik cần gấp ----- Nội dung dịch tự động từ ảnh ----- Practice - Fill in the blanks with the correct form of the verbs OPERATOR: I'm listening. What is your emergency? CALLER: Hi I'm Alex Cooper and I need an ambulance for my son. OPERATOR: What happened to your son? CALLER: His head is bleeding very badly. OPERATOR: Stay calm and tell us more about it. CALLER: I (1)... While I (3)..... (4).............. (hit) a tree and fell off his bike. His head is bleeding badly. OPERATOR: Where are you now? CALLER: We are in the park opposite the city theatre. It's on Parker Street. OPERATOR: Okay. Don't move him until we come. (teach) my son to ride a bike when I (2). (get) a phone call. (answer) the phone, my son rode his bike by himself. Then suddenly, he