Question

以“ My invention”为题，自己写一篇80字的作文，单词最好简单一点！

Answer 1

I want to invent an umbrella, if need the pen when you press the red button, there will be a pen falling; when you need a fan, press the yellow button, there will be a small fan; when you need a napkin, press the yellow button, there will be a paper towel