1.--- I am leaving for China with my parents next weekend.
--- Really? __________!
A. No way B. Have fun C. Best wishes D. Well done
2. My sister is a determined person. ______ she has made up her mind, nothing can change it.
A. Even if B. Unless C. Until D. Once
3．The number of people who _____ Chinese in the world _____much larger than ever before.
A. learn; is B. learns; is
C. learn; are D. learns ;are
