Modal Verbs Exercise 3
ANSWERS #9 and #11
9. We should invite Sally and her husband to come to the picnic on Saturday. We haven't seen them in weeks, and they might really enjoy a nice day at the beach.
11. We had better call Tony to see if he's at home before we go over to his house. He might not be there and we don't want to drive all the way over there for nothing.
13. You ought not worry so much. It doesn't do you any good. Either you get the job, or you don't. If you don't, just apply for another one. Eventually, you will find work.