1. Unfortunately, James and Michelle had already made plans, so they ____ come with us to the exhibition at the Museum of Contemporary Art.
2. They have had several major snow storms in the mountains during the last month. We had better call the highway patrol to check road conditions. The road to Smithsville_____be passable.
3. We should call Tim before we go over to his house; he_____be there. I don't want to drive all the way there for nothing.
4. In order to win the pie eating contest, Norman would have to eat sixteen pies in ten minutes. He____possibly eat that many pies - he would explode!
5. I know Eve wants to go to the ballet with us, but we'd better call her before we get her ticket. She works Wednesday nights, and she____be able to get time off that evening.
6. Susan____hear the speaker because the crowd was cheering so loudly.
7. It______be a bad idea to take some snacks along while we're hiking. Last time, we got so hungry we had to come back early without finishing the hike.
8. Jerry might be angry, or he_____. You never really know with him because he's so temperamental.
9. Jerry____be angry at me. I've never done anything to upset him.
10. The lamp____be broken. Maybe the light bulb just burned out.
Verified answer
1. couldn't2. mightn't
3. mightn't
4. couldn't
5. mightn't
6. couldn't
7. mightn't
8. mightn't
9. couldn't
10. mightn't