16. There must be a better way to teach our students __________value of __________life than just inviting an old professor to give a boring lecture.
A. the;a B./;the C. a;the D. the;/
17. —Putting on a happy face not only helps us make friends but also makes us feel better.
—__________.
A. I’d love to B. I’m with you on that
C. It’s up to you D. It’s my pleasure