--HaveyouheardofacoolwashingmachinecalledBicycleWashing...

问题详情：

--Have you heard of a cool washing machine called Bicycle Washing Machine?

---Yes, it’s a new          by a group of Chinese university students.

A. invention               B. information          C. instruction           D. introduction

【回答】

A

知识点：名词

题型：选择题