The answer is A, hope this will help
The correct pronoun for this sentence would be to use he or she instead of him and her. To state things clearer, let's try to take out the word "either" and use he and she in the sentence. So doing that, we will have "he could help you" that makes more sense that "him could help you". Do the same for she and her.
Laborious in this sentence means a task which requires a lot of efforts.
Answer: Option C.
<u>Explanation:</u>
Suffix is a kind of affix which is placed after the stem of the word in the word. This explains about the grammatical case of nouns and adjectives.
The word that has been used in the sentence which describes about the activity of the sentence is laborious. The activity speaks about that this task which is of making a four course dinner is not going to be easy and requires a lot of efforts in it.
<h2>for instance:
the base is 3 and the exponent is 2.</h2>
if the exponent is a negative number 
then the answer would be positive 9. if the number is even but with a negative number your answer with turn out possitive.
or your exponent is a negative odd number like 
the the answer would turn out negative : -27
you could see it for yourself by doing : -3 x -3 x -3 = -27
