We have _________ University in our city.

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

Remark:

My wife and I have _________ appointment.

• an
• a
• the
• none of these.
Correct Option: A  [ an ]

Remark: "an" is used before "appointment" because "appointment" starts with a vowel sound.

Tell them not to make _______ noise.

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

Remark:

_________ rich and poor, young and old met together.

• a
• an
• the
• zero rticle
Correct Option: D  [ zero rticle ]

Remark:

A lot of business happens over ________ internet.

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

Remark:

In the morning I go for ________ walk.

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

Remark:

The boy is studying in ____________ university.

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

Remark: "a" is used with "university" ( Vowel word with a consonant sound.)
similar: a one-act, a one-eyed, a one-man army, a union.

None but _________ brave deserves the fair.

• the
• a
• an
• No article required
Correct Option: A  [ the ]

Remark: here adjective "brave" used as noun. "the brave" means "the brave people".

Nelson was __________ boy without fear.

• the
• a
• an
• none of these
Correct Option: B  [ a ]

Remark: Using "a" suggests that Nelson was just one of many boys without fear.

Iron is _______ useful metal.

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

Remark: