Eal of detailed research is being performed in this area

?Your watch says different time from mine. One of them _must____ be wrong.

?That woman drives a very expensive car. She __must______ have a lot of money.

?It ____can’t____ be hot outside. That man in the street is wearing a coat.

?John is wearing two jumpers. He __must____ be cold.

?Rose and Ted _must_____be good players. They have won hundreds of cups!

?You __don’t_need to/ don’t have to_______pay to use the library. It’s free.

?I’m not sure where my wife is at the moment. She __might/may/could_______ be at her dance class.