15.
A. The man may pick up the glasses on Wednesday.
B. The man's glasses have been fixed already.
C. The man may pick up the glasses on Friday.
D. The man's glasses have been fixed within a week.
16.
A. Sandy is working on her lab reports.
B. Sandy is busy with her engagement.
C. Lisa might be able to help.
D. Lisa is always on the Internet.
