and - We use _____to give extra information in the second part of the sentence., but - We use ____when the second part of the sentence contrasts with the first part., or - We use _____when the second part of the sentence gives a different possibility, because - We use _______when the second part of the sentence explains why the first part happened, so - We use ____when the second part of the sentence gives a result of the first part., when - We use ______to say when the first part of the sentence happened., before - We use ________to show that the first part of the sentence happened first, after - We use ______ to show that the second part of the sentence happened first, if - We use ____to say that the first part of the sentence will only happen after the second part of the sentence happens and it may not happen.,

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