Circle the correct options. difficult to remember that, when our grandparents were young, they the Internet. Since then, technology so much. In the year 2000 the first smartphone more recently, several technology companies the shops , but the glasses able to download apps, just like on a smartphone, and the information glass Amazing! 1 a wouldn't 2 a has changed 3 a has gone on sale 4 a has developed have mobile phones or and smart glasses you can wear. They haven't arrived in available very soon. If you a pair of smart glasses, you will be you ask for on the b used to O didn't use to d would b changes C is changing d changed b goes on sale b had developed d is going on sale d have developed c went on sale was developing c already b still b won't be b buy b who b will appear 5a yet d ever 6 a were 7 a will buy 8 a whose 9 a appeared c are c might buy c that c has appeared d may be d bought d what d appears

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