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．inventionB．information
C．instructionD．introduction
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．inventionB．information
C．instructionD．introduction
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