Which one means the same as the sentence given, (a) or (b)? (5 points) 1. it’s possible that they don’t live here any longer. a they mightn’t live here any longer. b they can’t live here any longer. 2. it isn’t possible that they are twins. a they mightn’t be twins. b they can’t be twins. 3. it could be that they are not married. a they mightn’t be married. b they can’t be married. 4. it isn’t possible that there is some milk in the fridge. a there can’t be any milk left. b there mightn’t be any milk left. 5. i think i saw her go out. a she mightn’t be at home. b she can’t be at home.