Invention

It is convenient for you to surf social media on ____ when you travel.

• e-books

• online game

• laptops

• smartphone

A washing-machine is ______ for saving time and energy while doing housewwork.

• help

• useful

• allow

• portable

A photo camera is ________ invention to keep happy momeries.

• valuable

• helpless

• 
  useless

• value

The navigation application on a smartphone is ______ searching the name of street. 

• helped

• suitable for

• allowed

• used

What is the antonym of "software"?

What are the characteristics of smartphones?

• portable, valuable, useless

• 
  unportable, valuable, useful

• portable, valuable, useful

• portable, valuable, inconvenient

Artificial Intelligence (AI) _____ robots to think and act like humans.

• provides

• 
  talks

• 
  links

• 
  helps

Thomas Edison, Benjamin Franklin, James Watt are among of the greatest ____ of all time.

• invent

• invention

• inventors

• inventor

Laptops allow us _______ distant international courses.

• attending

• 
  to attend

• attended

• 
  attends

The new invention has been successfully invented in a _________ for a long time.

Choose the correct answer.

• 
  laboratory

• hospital

• factory

• school