单项选择题
If you were to do it,the result（）different.
A.will beB.would beC.should beD.would have been
单项选择题 He cares so little about his meals that（）will do so long as it fills his stomach.
单项选择题 The Summer Palace is really beautiful．In fact，I doubt whether China has（）park．
单项选择题 Mrs．Brown is forgetful but she（）her key．
