Explanation

• A declarative sentence makes a statement and normally ends with a full stop (.).
• A full stop is also called a period in American English.
• It indicates that the statement is complete.

Additional information:

• A question mark (?) is used at the end of an interrogative sentence.
• An exclamation mark (!) expresses strong emotion or emphasis.

Last verified on 12-08-2026

Explanation

• “Tie the knot” means to get married.
• It is commonly used to refer to the act of marriage.

Last verified on 11-08-2026

Explanation

• The idiom “Let sleeping dogs lie” means not to bring up an old problem or conflict again.
• It advises leaving a troublesome situation alone if it is already settled.

Last verified on 09-08-2026

Explanation

• The correct sentence is: “Every worker was on duty.”
• Every takes a singular noun and singular verb.

Last verified on 08-08-2026

Explanation

• Ophthalmology is the study and medical specialty concerned with the eyes and vision.
• It deals with the structure, function, diseases, and treatment of the eyes.
• A doctor specializing in this field is called an ophthalmologist.
• Common eye conditions include cataracts, glaucoma, and refractive errors.

Last verified on 08-08-2026