Ⅳ. 根据句意及首字母或汉语提示完成单词
【小题1】We usually like climbing the s____________ instead of taking lifts in not very tall buildings.
【小题2】My brother d____________ my glasses and broke them.
【小题3】Can you ____________ (想象) living without light bulbs?
【小题4】Please ask me for help when you are in ____________ (困难；麻烦).
【小题5】Mrs. Smart ____________  (警告；告诫) her students not to stay out late every night.