1) I won't get a present from Joe, _____ I invite him. a) Unless b) If c) Until 2) I am not going to be able to afford to go on the trip ..................I win a lottery. a) Unless b) If c) Until 3) You can't go vacation, ____ you have enough money.  a) Unless b) If c) Until 4) She is not allowed to drive, _____ she is 18 and gets a driver's licence. a) If b) Until c) Unless 5) You will feel cold, ____ you wear a warm jacket.  a) If b) Unless c) Until

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