[Video] Q33: No change or promises: a wide range or promises a wide range or promises a wide range-

Explanation for Question 33 From the Writing Section on the 2019 October Sat

Now question number 33 is a punctuation question. 2 So it's always best to go about these types of questions by process of 3 elimination. So let's look at what we have right now for no change with 4 so many potential applications and more on the horizon. 5 Remote sensing promises, comma, 6 a wide range of career opportunities. So what you can notice here is that 7 this whole sentence on its own, it's just one complete sentence, 8 right? So there's no point in putting a comma here because we're not connecting 9 any clauses. That comment is really just inserted in the middle of a sentence 10 where it doesn't need to be right. 11 So you don't want to add an extra comma into a complete sentence, 12 and that's why a is wrong. Now B says promises, 13 colon a wide range. So Colin's can be used for lists, 14 but we can also use colons to separate two independent clauses. 15 And if we're going to separate two independent clauses, 16 then that means that what comes afterwards should be like a complete sentence. 17 It should stand on its own. So if we're looking at this sentence here, 18 right, a wide range of career opportunities would be coming after the colon. 19 And that is not a complete sentence because it has no verb, 20 right? What is this wide range doing? 21 And we don't know. So B doesn't work because it has the incorrect use 22 of a colon. And then we'll come back to see at the end, 23 D puts a dash. So dashes have a couple of uses. 24 They can be used to separate two indepe...