<span>C is the correct answer. There is an understood you as follows: “for once in your life, [you should] try something new and exciting”. ‘For once in your life’ in this sentence is an adjunct and is extra information given to emphasise the strength of the speaker’s feelings.</span>
A calculated risk is a chance you take after considering the outcome and an unnecessary chance is a pointless risk that is taken that could be avoided
The banker had negative feelings towards the jurist. In the story, the jurist did him some not so good things. We would expect that the wager was done out of hatred for the jurist. The banker wanted to take revenge aginst the jurist.
If you’re stuck somewhere, a radio can help contact other ppl to send help
