Question

To sing well .................. great skill.

• A. require
• B. requires
• C. can require
• D. may require

Hint:

Infinitive/gerund phrases are treated as singular subjects.

Answer 1

The Correct Option is B

Step 1: Identify subject.
"To sing well" = infinitive phrase, treated as singular.

Step 2: Apply verb.
Singular subject → singular verb: "requires."

Step 3: Eliminate options.
(A) require – plural, incorrect.
(C) can require, (D) may require – modal changes meaning, unnecessary.