单项选择题
One thing he felt regret for was that he never had the （） of hearing him play the piano.
A. occassion B. possibility C. opportunity D. chance
单项选择题 I think your sister is old enough to know （）to spend all her money on fancy goods.
单项选择题 —Cars moved very slowly in the 1920's.—Yes, but they （）move more quickly than 1910.
单项选择题 Hardly （） a good job without putting his best foot forward at his job interview.
