单项选择题
Rising costs made it difficult to（）the business．
A.carry outB.carry throughC.carry onD.carry into
问答题 翻译：draw all possible rectangle with areafind the area of each figure.
单项选择题 My enthusiasm for Chinese football team gradually（）because of their countless failures.
单项选择题 It is a great honor for me（）to make a speech on the situation in Tibet．
