All 40 of John's friends know someone who has smoked 40 cigs for 40 years who is also very fit and well and John does NOT know anyone like this, yet he knows he is NOT unique. The correct answer is E, some of John's friends are not telling the truth. ...
... you asked about. For PT25, S2, Q14, if you had to ... to why. Same with PT23, S2, Q10. X happened, and author says ... />
So I looked at PT23.S2.Q14.
https://7sage.com ...
Whenever I encounter a double negative that gives me trouble, I rephrase it in my own words. PT46.S2.Q10 is a good example of this. You can rephrase "X is not indispensable" to "X is not essential."