Question

You look sick, you …………… see a doctor.
Fill with suitable modals.​

Answer 1

Answer:

You look sick, you should see a doctor.

Answer 2

You look sick, you should see a doctor

Detailed answer

The word "should" is used here as is the most appropriate word to be used here.

• It is the most grammatically appropriate sentence to be used here.
• The sentence now conveys that The person should go and visit the doctor.
• The word "should" is used to denote obligations or duty.
• Any other word for example if we use could it is still a right sentence but does not have a meaning.