1. D) the tour guide's dialect made him a bit difficult to understand
2. B)
The most likely answer would have to be social sci-fi.
Dear ______,
I was just writing this to express my gratitude and appreciation! Thank you so much for everything you do! It really means a lot to me and I don't know how I can ever repay you! I am thankful for how you ______, ________, and ______.
Then when you get to the body paragraphs you could repeat one reason you were thankful for them and explain more deeply in each paragraph. Make sure to use a lot of positive adjectives to make it more wordy! Then close of in a closing paragraph. For example....
Again thanks so much for everything! Your kindness means everything to me and everyone around you!
I wish you all the best and more,
_____________
The correct answer is D. Subject
The subject is the person/thing that does the action. In his case, it contains something which makes it the doer of the action of containing.