2019年中考英语阅读理解专项训练及答案：Internet(2)
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16. According to the passage, Guo’s students can keep their homework on WeChat, can’t they?
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17. How can the QR codes be sent to Mr. Guo?
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18. What is one of the advantages of the new way of handing in homework?
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19. What do some parents worry about?
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20. What do you think of the new way of handing in homework?
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