Choose the sentences in which the modals are used appropriately:

A. You must improve your vocabulary.
B. It can rain tomorrow.
C. We may obey the laws.
D. You could have accepted the offer.
E. Will you have tea with me?

Choose the correct answer from the options given below:

A, D and E only

The correct answer is Option (3) - A, D and E only

• A. You must improve your vocabulary.

  • Correct: "Must" is appropriately used to indicate necessity or obligation.

• B. It can rain tomorrow.

  • Incorrect: "Can" is inappropriate here; "may" should be used to express possibility.
  • Correct version: "It may rain tomorrow."

• C. We may obey the laws.

  • Incorrect: "May" is inappropriate here because obeying laws is not a matter of permission or possibility. "Must" would be more appropriate to express obligation.
  • Correct version: "We must obey the laws."

• D. You could have accepted the offer.

  • Correct: "Could have" is correctly used to express a past possibility or opportunity that was not taken.

• E. Will you have tea with me?

  • Correct: "Will" is appropriately used here to make an offer or invitation.