16. —I am taking my family to Hangzhou for vacation next month.

—________.

A. take it easy                                             B. All the best

C. Why do you go there                               D. It’s a pity I can’t go with you

17. When we climbed up to the top of the mountain, we were all ________.

A. out of the breath   B. short of the breath  C. out of breath           D. short of breaths

18. The news reporters hurried to the airport, only ________ the film stars had left.

A. to tell                   B. to be told               C. telling                    D. told