问题补充:
How long do you think the Microsoft brings out a new product?
A. it will be before
B. will it be until
C. will it be when
D. it will be that
答案:
(答案→)A. it will be before
B. will it be until
C. will it be when
D. it will be that
解析:本句是一个特殊疑问句,前面有do you think插入语,应该用陈述语序,因此排除BC,根据句意可知应该是“微软公司研制出一种新产品需要花费多长时间”,不是考查强调句型,因此应选A