Iron is _______ useful metal.

• a
• an
• the
• zero article
Correct Option: A  [ a ]

Remark:

I visited _________ store which sold furniture and paintings.

• the
• a
• and
• an
Correct Option: B  [ a ]

Remark:

Our office employees have formed ________ union.

• the
• an
• a
• no article
Correct Option: C  [ a ]

Remark:

Srilanka is ________ island.

• a
• an
• the
• zero articles
Correct Option: B  [ an ]

Remark:

Last year I spent _______ few days in Mumbai with a cousin from America. (appropriate article)

• a
• an
• the
• Zero article
Correct Option: A  [ a ]

Remark: "a few" is used to indicate a small, unspecified number of days spent in Mumbai with a cousin from America.

The new foreign policy has invited a lot of appreciation from ......... opposition.

• an
• a
• the
• No article is needed
Correct Option: C  [ the ]

Remark:

He is _______ honourable man.

• a
• an
• the
• zero article
Correct Option: B  [ an ]

Remark: "honourable" starts with sound of "vowel"

________ Gold is a precious metal.

• a
• an
• the
• none
Correct Option: D  [ none ]

Remark:

You are _________ fool to say that.

• a
• an
• the
• zero articles
Correct Option: A  [ a ]

Remark:

He met with __________ accident today.

• a
• an
• the
• zero article
Correct Option: B  [ an ]

Remark: The indefinite article "an" is used when word begins with a vowel sound.