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Question 13: The doctor decided to intervene and provide immediate medical attention to the injured hiker. - "Intervene" means to become involved in a situation in order to improve or help it. In this context, the doctor decided to get involved and provide immediate medical attention. Question 14: I will help you with your homework as soon as I complete my tasks. - This sentence is about a future action that will happen after another action is completed. The correct answer is "as soon as I complete my tasks." Question 15: After the CEO was caught embezzling company funds, the board decided to set an example of him by firing him publicly to deter others from engaging in similar misconduct. - "Set an example" means to behave in a way that shows others how they should behave. In this context, the board decided to set an example of the CEO by firing him publicly. Question 16: Being a tech enthusiast, Alex was familiar with the latest gadgets and software updates. - The correct answer is "with." When we are familiar with something, it means we have knowledge or experience of it. Question 17: Amidst a trend of milk tea brands lowering prices to attract more customers, KOI Thé bucks the trend by maintaining its prices. - "Bucks the trend" means to resist or oppose a prevailing tendency or opinion. In this context, KOI Thé goes against the flow of other milk tea brands by maintaining its prices while others are lowering theirs.