16.arriving home she found her old friend already there.
A. On
B. For
C. By
D. With
17. He says he has the T-shirt,I' ve never seen him wear it.
A. after
B. since
C. although
D. if
18. When Annathe room, a group of young men were talking eagerly round the table.
A. enters
B. has entered
C. was entering
D. entered
19. --Do you mind if I open the window?
—
A. Yes, please
B. No, go ahead
C. No, please don' t
D. Yes,you' d better do
20. A museumin the city centre next year.
A. will be built
B. will build
C. was built
D. built