Question

yesterday, I watched___amazing movie. (a) a (b) an (c) the (d) no article.​

Answer 1

(b) an is the correct answer.

1. The complete sentence that will form is - Yesterday, I watched an amazing movie.
2. Articles are the words used before nouns and they are three in number namely a, an and the.
3. A and an are indefinite articles that point to things in general.
4. The is a definite article that points to the specific thing.

Answer 2

Yesterday, I watched an amazing movie.

The given blank is filled by the article ''an''.

Articles:   

There are two kinds of articles in English grammar.      

1) Definite article (The):     

• The definite article "The" is used before a singular noun that is a specific or particular noun.

2) Indefinite article (A/An):      

• Article "A" is used before an unspecific singular noun that begins with a consonant sound.  

• Article "An" is used before an unspecific singular noun that begins with a vowel sound.