True they can. I am not sure about this
Answer:
<u>a. It should be familiar.</u>
Explanation:
The most importan thing when choosing a topic is for it to be intresting to you, and it helps if it is familiar. Being related to the subject you have chosen, would help in the research because there is some knowledge you already have on it.
Answer:
retail is the correct answer. .
A is wrong you wouldn't say "is" you would say are.
B is wrong to because "was" is not the correct verb to use.
D is wrong because key, should be plural, keys
C is correct, because it has subject and verb agreement.