EnglishClub ESL Forums

He ... be very rich. Look at his car!
a) might be
b) must be
c) should be
Please, provide some explanation to the answer.
Thank you, have a good day!

Both a and b are possible but the real answer is b.

These are modals of deduction. You "deduce" one thing from another thing.

You see big black clouds coming and you deduce that it is going to rain.

You see a Rolls-Royce car and you deduce that the owner is rich.

He MUST be very rich because he has such an expensive car.