[Video] Q1: No change or ago, dinosaurs, along with or ago, dinosaurs, along with. or ago, dinosaurs, along with,

Explanation for Question 1 From the Writing Section on the 2019 May Sat

Here we are looking at the second section, 2 the writing and language portion of our May, 2019 exam. 3 Let's take a look at our first passage. 4 So starting with question number one, we are figuring out what the appropriate 5 use of commas is to make this point as clear as possible for the 6 reader. The sentence now reads roughly 65 million years ago, 7 dinosaurs along with 65 to 70% of other plant animal species on earth 8 became extinct. So what we need to do is, 9 uh, insert a comma, um, 10 after, um, before and after the aside that we're trying to make here. 11 So we have one general flow of the sentence, 12 which is that, um, dinosaurs and other plant species 13 became extinct. Um, 14 and we have this additional detail of the fact that there were 65 15 to 70% of other plant animal species going extinct as well at the same 16 time as the dinosaurs. 17 So the general sentiment of the, the paragraph, 18 or excuse me, of the sentences dinosaurs became extinct. 19 So that's the bare minimum of the sentence. 20 That's a general gist that is trying to get conveyed. 21 Um, and then we have this detail along with 65 to 70% of other 22 plant and animal species on earth. So we're trying to create an aside there. 23 Um, so what we need to do is use the same form of punctuation 24 in this case, a comma on either side of that, 25 just to set that detail apart. So the reader knows to take a pause 26 there in that little side detail, 27 and then take another pause before resuming the ma...