Just add the words together. Some of the words need you to get rid of an "e" at the end. Like love+able should be lovable, but on care+less, you need to keep the "e" so it would be careless. Basically, keep the "e" is the first letter or the next word is a consonant, but if it's a vowel, get rid of the "e". Hope this helps!!
Answer:
D) The pool picnic’s entertaining games and delicious food should not be missed.
Explanation: took the test good luck!!!