Answer:
The answers to these questions would be, as follows:
1. Give the candy to Dave and I. This is the correct answer because the "I" is establishing the individuality within the duo and because the sentence speaks about two specific individuals within the duo.
2. Peter didn´t know which was his. This is because it is talking about a choice and also specificity within the choice. When talking about possibilities, or choices that must be selected by someone, the word which is used.
3. My interest was peaked when I found out he was a world class player. This is the correct choice because peaked is used when talking about catching someone´s interest, and also because world class does not need to be hyphenated.
4. I gave myself plenty of time to get to the party. This is because the sentence is speaking about the first person, therefore, since the pronoun is I, the word to choose is myself.
5. My husband played football very well. It is grammatically the best choice. Although some people confuse it with good, well, is the correct choice.
6. For all intents and purposes, the test is over. This is the correct way of the expression.
7. She received a B on her English paper because she forgot to cite her sources. This is the correct word to fit the context, because of its meaning.
