单项选择题
A. Can I help you C. Safety belt, please. E. Is there anything serious G. What flight are you taking B. We are taking off at last. D. The engine went wrong. F. Just a moment, please. H. It should be OK in an hour.
A．Awards vary in monetary value. B．Ceremonies are held on December 10 to commemorate Nobel’s inventions. C．Politics can play an important role in selecting the winners. D．A few individuals have won two awards.
A．not B．no C．the D．a