Question

lead is .......... useful metal.​

Answer 1

a

Here the given question is in the form of fill in the blanks ,so here according to the question we have to fill appropriate article at the given blank.

So we can write down the sentence like this -

Lead is a useful metal.

Articles -

There are three articles in English.

A- it is an article which used before a noun which begins with a consonant sound.

Examples-

a boy

a cow

a school

a university

An -It is an article which is used before the noun which begins with vowel sound.

Examples- an egg, an umbrella, an engine, an honest

The - it is an article which is used before a the name of rivers, mountais ,or perticular things in the world.

It is also used before the superlative degree form of Adjective.

Examples - The moon, The sun, The Himalayas, The Ganga, etc.

To know more about article visit the following links-

https://brainly.in/question/18451536

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Answer 2

Answer:

Lead is a useful metal.

Explanation:

• Lead is referred to as "a" useful metal because it is a singular countable noun.
• "A" is used because it is an indefinite article and implies that there are many other useful metals, but this statement only refers to one of them, which is Lead.
• "The" is not used here because there is no specific or definite Lead being referred to.
• "An" is not used here because the first letter of Lead is a consonant and not a vowel.
• Indefinite articles such as "a" or "an" are used when referring to a singular noun in a general sense, and do not specify a particular item.

• On the other hand, the definite article "the" is used when referring to a specific or known item, while "an" is used before a word that starts with a vowel sound.

KEYWORDS: countable noun, vowel, consonant, Articles

Learn more about countable noun from the given link:

https://brainly.in/question/18854771#:~:text=Expert%2DVerified%20Answer&text=Anything%20that%20can%20be%20counted,etc.%20is%20a%20countable%20noun.

Learn more about vowel from the given link:

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Learn more about consonant from the given link:

https://brainly.in/question/9846844

Learn more about English Articles from the given link:

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