16. There was ______ time when first lady merely stood smiling beside her husband, _______to cheering crowds.
A. an; wave B. an; waved C. /; waving D. a; waving
17.I wouldn’t like to go to the party this evening.
--- _________ We’ll have a good time there.
A. Come on! B. So what? C. Never mind. D. Have fun!
