情景对话：提醒与警告 — 英语选择题
题目
At a school garden, Mia sees Ben reaching for a ball beside a wet floor. A broken flowerpot is near his feet, and a sign says “Wet Floor”. What should Mia say first? A. Be careful! The floor is wet. B. You should pick up the flowerpot. C. Let’s play with the ball. D. Don’t water the flowers.