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Since the appearance of electronic devices, lessons have become more and more ______ and effective.

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The Internet has ______ changed the way we communicate with one another.

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Teachers can create a classroom blog ______ they post notes and assignments for students.

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Computers have become part of our daily lives. We visit shops, offices, and places of scenic beauty ______ the help of computers.

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With the development of AI, there is lots of fun when students study with educational ______ these days.

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In order to be taken away and used everywhere, modern inventions have a tendency to be small and ______.

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I had to buy a new washing machine as it would not have been ______ to get it repaired.

Choose the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined ones.

Seeing snow for the first time was a real eye-opening experience for me, who had never travelled outside Vietnam.