[急]帮忙用*的三个句型造句...

问题描述:

[急]帮忙用*的三个句型造句...
1.the most
2.one of
3.序数词
这是作业阿/.
我英语不好,.
有不太理解的请说,我说清楚.

the problem is the most difficult
English is one of the most widely used language.
she is the third tallest girl in our class