9.) Situation: Mrs. Parker is looking for her son in his dormitory.
Mrs. Parker: _A _
Don: _B_ I don't know when he'll be back.
A. 1. I hope to see John.
2. How is John?
3. Have you seen John?
4. I think John has already gone out.
B. 1. Is he your son?
2. I don't see him any more.
3. I saw John yesterday already.
4. I saw him going out about 5 minutes ago.