15. A group of children ______ around the old man, listening to him telling the story and they ______ when it came to something really exciting. 
| A．were gathered; held their breaths | B．gathered; held their breath |
| C．gathered; held their breaths | D．were gathered; held their breath |
—What do you think made Tina so delighted？
—______ the driving test at her first attempt.
| A．As she passed | B．Passed |
| C．Because of passing | D．Passing |
______ the bad weather, we enjoyed our holiday very much.
| A．As the result of | B．In spite of | C．Because of | D．According to |
The Shanghai Expo has attracted more than 73 million tourists, ______ it the most successful in history.
A. making B. makes C. made D to make
—Will you be able to finish the report before Friday?
—I can’t ______ anything, but I’ll try my best.
| A．guarantee | B．transform | C．prepare | D．say |
Sophie dreams of walking in______ outer space like ______astronaut one day.
| A．/; the | B．/; an | C．an; an | D．a; an |