Thats correct
For example when u want to add the word
Family ---> families
Baby ------> babies
If it ended with y preceded by a vowel sound then u dont change y to i
Boy ------> boys
Toy -----> toys
Etc.
The correct answer is sentence (5).
A sentence fragment means that it is only a part of a sentence; it is not complete. Given that it is incomplete, the fragment, aka subordinate/dependent sentence, has to be part of a larger, independent sentence, in order to make any sense. So if you combined sentence (5) with another one, it wouldn't be a fragment anymore.
Answer: He was not homesick.
Explanation: I took the assignment on edge