You would not have failed if___（按照我的指令去做）
Scientists agree that it will be a long time before____（我们找到治愈癌症的方法）
If they try hard to do something and fail, they may conclude that they will never be able to accomplish a task. (Passage 1)
Who is the issuer of this Call for Expression of Interest？
The ____________ of the 2008 Olympic Games
Our fossil fuel supplies are limited. Burning garbage might be one kind of energy source that we can use to help meet our energy needs. (Passage 3)
What could he do to help support the field marketing representatives？
By designing and maintaining__________