A. besides B. except C. with D. without
单项选择题--are you trying to prove to police--Where I was last night.（）
A. What B. Why C. How D. When
单项选择题As it turned out to be a problem of no importance, we（）so much time looking into it.
A. needn't spend B. didn't have to spend C. oughtn't to spend D. needn't have spent
