单项选择题
We need to consider a couple of options（）
A. which is the Mark 2 project. B. when we look at this question. C. that values his new ideas. D. that the process can be made simpler.
单项选择题 Please（）me how to do the market research for a new product.
单项选择题 The Greenfield site has made the campus（）.
单项选择题 I think the discount is higher than anything（）
