1.can be done 和 be able to be dong 的区分。
2.Government purchased sth for some student to use to replace sth
to use to replace
to use in place of
… them …
3.考了两道not only, but also...
4. Just as …, so …
5. … more babies were born to mothers over the age of 30 than under it.
6. Featured with 2xx works of 1xx artists working in the media ranging from … to …, the First Guangzhou
3) who work in the media ranging …
4) working in the media that ranges …