In the first sentence, the "he" is a nominative as it is a subject.
In the second sentence it is an object as the form "me" is actually "I", but "i" is a nominative form and "me" is an objective form.
In the third sentence "Us" is also used in objective form as "us" is an object of an action by "my sister".
Answer:
I am still very much enamoured with the wonderful view of Taj Mahal. ... Overall the visit of Taj Mahal was a wonderful experience. I will surely remember my trip to Agra for my lifetime. Hope you like my blog and surely plan a holiday with your family and friends to this wonderful city to witness the beauty of Taj Mahal.
A. To do whatever he wants them to do.
A sentence fragment is a sentence that is incomplete, one that is separated from the main claus. In this case "To" is a preposition, which means that there should be more to the sentence. You can tell because you can't fully understand the idea behind the sentence. Therefore A, is the fragment.
Eric struggled to follow his client's directive to "retain the original feel of the logo" during the redesign.
Answer based on your own feelings. No one can answer for you.