请根据下列实验步骤及现象回答相关问题：
填一填。高山上敲鼓------____ 狗咬吕洞宾------ ____
⑴You need a swimming cap. ____
⑵First,you should wash yourself. ____
⑶Next,you should do warm-up exercises. ____
⑷Then, you can enjoy your swimming lessons. ____
⑸You need a swimsuit.____
A. B. C. D. E.
B. 
C. 
E.
