单项选择题
A.did not feel guilty about wasting time B.were able to act of our own free will C.seemed to have better weather D.did not have so many enemies
A.Americans are forced to be efficient against their will B.Americans should do what they are willing to do C.people ought not to work so hard for efficiency D.Americans are at a loss what to do
A.Shortened opera performances. B.Quickened paces of movies. C.Speeded-up work efficiency. D.Working on holidays.