题干
It is said that the new school ________ 20 million yuan will soon be completed.
A：cost
B：costing
C：costs
D：to cost
答案(点此获取答案解析）
B
It is said that the new school ________ 20 million yuan will soon be completed.
A：cost
B：costing
C：costs
D：to cost
，3，则函数F(x)＝f(x)＋
的值域是( )