Umbrellas are common in our daily life. On rainy days, many people hold them to prevent the       . But it’s not easy to hold an umbrella if there is heavy rain and       wind. And it’s harder to make a phone call or ride a bike       an umbrella in the hand. An American named Alan Kaufman and his company       6 years inventing a hand-free umbrella.       , they made it.
They called it Nubrella. Just touch a button(按钮), and the Nubrella will open       . With the help of its“shoulder support(支持)”, the umbrella can rest on the user’s       . So the user needn’t hold the umbrella any more. He can walk with hands       even in the strong wind.
The hand-free umbrella is $59.94 each. People all around the world like it very much. Because of this smart           , they can use their phones to talk and send short messages in the rain now.       in the rain under a Nubrella is really cool, isn’t it?

A．snow B．rain C．sun D．cold

A．tall B．short C．strong D．thin

A．by B．without C．with D．on

A．spend B．took C．paid D．cost

A．At first B．At last C．At most D．At least

A．hardly B．nearly C．hard D．easily

A．feet B．ears C．legs D．shoulders

A．free B．busy C．difficult D．different

A．invention B．magazine C．book D．invitation

A．Lying B．Flying C．Walking D．Dancing