Answer:
b. last winter we bought a snow blower.
Explanation:
Articles refer to a type of adjective, they demonstrate which noun is the subject of the sentence talking about. There are two types of articles: definite and indefinite articles. The second type direct to noun more generally. The indefinite articles are a or an. The an is used before singular count nouns beginning with a vowel (a, e, i, o, u) or vowel sound.
The indefinite articles are used when the reader does not know about a noun( place, person or thing) that is referring to. In an example, the readers do not know which type of snow blower is or any specifics about it.
Number n, the correct sentence would be an tone brushed his teeth before he ate his breakfast
