1) It is summer in Australia ______ we have winter in Belarus. a) when b) unless 2) You have to walk more than 38.000 miles across six continents _______ you want to break the Guinness Book World Record for walking around the world. a) if b) when 3) ________ you want to be sick, don't read or sit backwards when you go by bus. a) Unless b) If 4) It also helps ______ you take some medicine. a) if b) unless 5) You should be very careful _______ you are on a hike in Outback Australia. a) when b) unless 6) Never start on a hike in the Outback _____ you have enough water. a) unless b) if

Form 7.1 Conditionals unless\if

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