Find out whether there is any grammatical error in below sentence. One of the most effective / solutions is that / she should work on Sunday / and complete the assignment.

The correct answer is: E. No error

The sentence is grammatically correct. The word “that” is a subordinating conjunction that introduces a clause that expresses a purpose or reason. The sentence is in the active voice, and the verb “should work” is in the subjunctive mood. The sentence is also clear and concise.

Here is a breakdown of each option:

• Option A: “One of the most effective” is a phrase that modifies the noun “solutions.”
• Option B: “solutions” is the subject of the sentence.
• Option C: “she should work on Sunday” is a clause that expresses a purpose or reason.
• Option D: “and complete the assignment” is a clause that expresses a purpose or reason.
• Option E: “No error” is the correct answer.