A. I hope so B. I hope not C. I think so D. I don't thi……

单项选择题I hope we can fly to ______ moon one day.

单项选择题—I think science is more useful than art. —I disagree. I think art is ______ science.

单项选择题—Guess, how much does it cost —I think it costs ______ 15 and 20 dollars.

单项选择题计算机只懂机器语言，而现在人们一般用高级语言编写程序，将高级语言变为机器语言程序需经过( )。

单项选择题—Why are you standing there, Maggie —I can't see the blackboard clearly. Two tall boys are sitting ______ me.