Question

You ____ keep your promise. *
​

Answer 1

Answer:

have to

Explanation:

good morning have a bangtastic day ahead

Answer 2

The answer is 'must.'

You must keep your promise.

Modal Verbs

• Modal verbs refer to words that define the probability or possibility of an event. It also indicates obligations, permissions, commands, and suggestions.

• In the given sentence, an obligation about one's promises has been mentioned.

• 'Must' is used to define special obligations. In this sentence, an individual promise has been mentioned. Thus, it takes 'must.'