【单选题】A new technique_________, the yields as a whole increased by 20 percent.
C.
having been worked out
D.
to have been worked out
【单选题】下列关于几何体渲染功能的描述错误的是()。
【单选题】下列关于几何体渲染功能的描述错误的是?( )
【单选题】________hard before, Tom is afraid of failing in the exam.
【单选题】_______ , the girl worked in a hurry.
C.
Having another room to sweep
D.
Having another room to be swept
【单选题】下列关于几何体渲染功能的描述错误的是( )。
【单选题】1 spent half an hour _________ this difficult math problem.
【单选题】________ in the company for three years, Mark has become experienced in business negotiations. A) Having worked B) Have been working C) Have worked D) Worked
【单选题】all day, I went to bed early.
【单选题】下列关于几何体渲染功能的描述错误的是?()