如何使用 "what" 造句

1. What software does linux support ?: 确认linux支持哪些软件？

2. What countries are in europe ?: 欧洲都有哪些国家？

3. What is your economic forecast ?: 你预测经济前景如何？

4. What are the biggest challenges ?: 有哪些最大的挑战？

5. What can we do differently ?: 我们可以作何改变？