1.这些竹子用来做什么?它们是用来运水的.

1.这些竹子用来做什么?它们是用来运水的.
What （）the bamboo used 佛如?
they____ ___ ___ ___ water.+++【运水是?】
2.必须采取一些举措来应对环境问题.
Something（）（）（）with the problem of pollution.
3.Taiwan is in the southeast of China and to the e_____of Fujian province.
4.not...until后加的是什么从句?
5.must 在当情态动词时,反意疑问句用什么?
在当实意动词时,反意疑问句用什么?
6.改错：
We know that the last part of the 20th century saw more new inventions.______
by this time most people had led a very well life._______
I would like to discuss the problem which you mentioned in it to you._____