Rihanna is such an afterthought rn it's like she didn't spam singles for 7 years straight. That's what happens when you don't have a defined style and image and just change to whatever is popular at the moment, the minute you take a break someone else with an ~edgy hairstyle takes your place.
Not really There's a whole section in the GRE about that.
There isn't a grammar section on the GRE, at least I hope not because I've been studying the wrong this if so. Also most writers and professors are accepting they, instead of he or she nowadays.