A.interfered B.offended C.impressed D.bothered
单项选择题If the whole operation () beforehand, a great deal of time and money would have been lost.
A.was not planned B.has not been planned C.had not been planned D.were not planned
单项选择题The price of beer () from 50 cents to $ 4 per liter during the summer season.
A.altered B.ranged C.separated D.differed