Ⅰ. 选择填空。(共15小题，每小题1分，满分15分)
( )21. What ____ sad news! We can’t get the movie tickets.
A. a B. / C. the
( ) 22. The girl likes music very much. She is looking forward ________ a singer.
A. to be B. to being C. to
( )23. On my way ____ home, I lost a ticket ____ Titanic.
A. to; of B. /; of C. /; to
( ) 24. Mr. Green is funny. He often tells us jokes and makes us ________.
A. laugh B. cry C. to laugh
