1) ​Just a moment. I have to ....... some files and then I will be able to install the programme. a) download b) upload  c) install 2) I store all my ​......​online because they will be secure even if my laptop breaks. a) devices b) batteries c) data 3) Christopher Columbus ​...... ​America. a) invented b) discovered ​ c) updated 4) My parents bought a new laptop and they asked me to download and ​...... the necessary software. a) upload b) update c) install​ ​ 5) When we go to the mountains we cannot use our smartphones because there is no ..... . a) signal b) battery c) device​ 6) My friend is a scientist and she ​..... research on animals. a) makes b) takes c) does​ ​ 7) We never do ​..... ​in our Chemistry classes. a) attachments b) researches c) experiments 8) Who .... a cure for this illness? a) ​invented ​ b) discovered c) did​

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