A student failed the exam because they didn't study enough. (should)
...
Your friend missed their flight because she arrived late at the airport. (would)
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A driver crashed their car because they were texting. (would)
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You bought a last-minute ticket and paid double the price. (should)
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They got lost on the hiking trail because they didn't bring a map. (should)
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The party was a flop because hardly anyone showed up. (would)
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Your coworker yelled at the boss and got fired. (should)
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The team lost the game because the coach made a bad decision late in the game. (would)
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You completely forgot your best friend's birthday. (would)
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Your neighbor didn't lock the front door and their house was robbed. (should)
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Your friend ate a spoiled sandwich and got sick. (would)
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They got bitten by mosquitoes because they didn't use repellent. (would)
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The group arrived at the movie theater, and the film they wanted was sold out. (should)
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You ordered a dress online, but the size was wrong, and you can't return it. (would)
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Your roommate forgot to pay the bills, and the electricity was cut off. (should)
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She tried to fix the computer herself and ended up breaking it completely. (would)
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