Fill in the blank with the most suitable word from the options given below :-
In accordance with the advice of a doctor, she is -------a diet.
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → on
Complete sentence: In accordance with the advice of a doctor, she is on a diet. She follows the plan her doctor advised, so she is on a diet.
| Option | Used to show | Example |
|---|---|---|
| (1) on (answer) | Be on a diet is a fixed expression meaning to eat only certain food, following a plan, for health or to lose weight. | My father has been on a low-sugar diet since his check-up. |
| (2) at | a point in place or time. "At a diet" is not used. | We met at the station. |
| (3) off | removal or stopping. It would suggest she has stopped the diet, against the doctor's advice. | He took off his coat. |
| (4) in | position inside something. "In a diet" is not the fixed expression. | The keys are in the drawer. |