祈使句表示警示与建议 — 英语填空题
题目
学校组织郊游前，老师用祈使句向大家发出警示与建议。请根据句意，用所给动词的适当祈使形式填空（每空一词，注意否定形式）。1. The river is deep and cold. ___ (not swim) in it! 2. The path is rocky. ___ (watch) your step, please. 3. ___ (not leave) your bag near the campfire — it may catch fire. 4. If you see a snake, ___ (stay) calm and walk away slowly.