Listen and write the missing verbs in the conditional sentences. (Nghe và viết các động từ thiếu vào câu điều kiện) 1. If we ______using single-use plastic, we _____the problem. 2. If you_____ two water bottles, it_____ enough water for a long trip. 3. If you _____food containers, you_______ fast food in plastic. a drink, the waiter 4. If you ______to a cafe and________a drink,______the water that you don’t need a plastic straw