【题目】根据汉语意思提示完成下列句子，注意单词的正确形式。
1. _______ (抓住)these balloons.
2. The oranges are falling down the _______ (楼梯).
3. All the birds are _______ (飞走了).
4. This little girl can’t find her mother. She _______ (需要)your help.
【答案】1. Catch hold of 2. stairs 3. flying away 4. needs
【解析】
略