This device is very ____; it connects to the internet without any cables. The new app is designed ____ so even beginners can use it easily. Solar panels are a ____ way to produce clean energy. A microwave oven is ____ for people who need to heat food quickly. I need a ____ car that won’t break down during long trips. Using email is faster and more ____ than sending a letter by mail. These shoes are ____ hiking because they are sturdy and comfortable.

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