Maybe the third and second question
The words suggest full of wonderful “winged lizards”
Answer C. Research shows processed foods can be unhealthy.
Explanation: where essays requiring research are concerned, this topic is too broad because I am able to find thousands of sources when conducting a simple library or Internet search.
I will correct the mistakes in the sentences:
A. I thought I seen him in the yard.
Mistake! It should be:
A. I thought I saw him in the yard.
C. When had you saw him last?
Mistake! It should be:
C. When had/have you seen him last?
D. Mary sawed that man again yesterday.
Mistake! It should be:
D. Mary saw that man again yesterday.
So, options A, C and D have mistakes, but option D does not have a mistake in it!
Are there supposed to be options?
Anyhow, you use quotation marks when you're quoting another person or when you're quoting a phrase. Also, you can use it when a person(s) are speaking. An example would be..
Rosa said, "Mac and cheese is the best food on earth."
Or
Rosa said, "Mac and cheese is the best food on earth." Henry gave a look of disgust and said, "I disagree. Pizza is the best food."
