Answer:
a - article
canvas - adjective
Explanation:
Articles are defined as the part of speech that primarily functions to indicate, specify, and limit a noun. While the adjectives function to modify a noun or the noun's referent. In the given sentence, the indefinite article 'a' helps in specifying the identity of the singular noun 'canvas sack' and <u>'canvas' is the adjective as it is modifying the noun 'sack' by providing detail about it that it is made up of 'woven fabric</u>.'
As she has already prepared and rehearsed several times, we can not say the answer is a or b. Both c and d are really good options but I would say D is the correct one, cause what she needs is to have perspective of what she will attain after her presentation and to do that she needs a positive thinking. Hope this helps
Giving you an idea and information about what the dog will be training to do and helps you to understand a little about the hearing ear association