1) Bill Gates became interested in computers __ he was a kid. a) when b) during 2) My sister always buys the latest gadget ___ it is available. a) until b) as soon as 3) Computers had smaller memories than smartphones ___ my childhood. a) during b) while 4) We completed all of the chemistry reports ___ 12 o'clock. a) by b) till 5) I learned how to analyse data ___ I was working in Silicon Valley. a) during b) while 6) Text me __ you get home tonight, OK? a) after b) until 7) You need to enter a password __ you can use the computer. a) until b) before 8) I didn't know how to use the printer ___ you showed me. a) as soon as b) till

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