[Video] Q8: No change or leaks or or, or leaks, or, or leaks-or

Explanation for Question 8 From the Writing Section on the 2020 October Sat

So question eight is a punctuation question. 2 And if we look at all our possible answer choices, we can see that 3 one of our choices is just a comma. One is a semi-colon in a 4 comma, two commas or a dash. 5 So we need to decide what is better here and how many of pieces 6 of punctuation should we use. So we look at the sentence for context. 7 What we can see happening is that we kind of have a list going 8 on, right? We have a trumpet that might not be functioning because a, 9 the valves could have been sticky. So that's like item one in our list 10 to the joints of developed air, 11 that'd be item two in our list. And then the final thing would be 12 the metal parts have been dented. So this is the third thing in our 13 list, right? 14 And so when we have a list, we have dented here, 15 air leaks, and then the first one was sticky valves, 16 valves. 17 So if we have a list, the best format that we can do is 18 the first thing comma, the second thing, 19 comma, and then the last one has a comma, 20 but it also has a conjunction here separating your second to last in your 21 last item. And this common conjunction could be a comma and it could 22 be a comma, but it could be a comma or, 23 but what we want to do is separate the second to last and the 24 last item in the list with a comma and a conjunction. 25 Now, if we look at, um, our question, 26 as it is, we have a comma and we have an ore, 27 which is a comma and a conjunction. And so that works perfectly, 28 right? So B...