Sth is done sth by sb

Sth is done sth by sb by sth for sb by sth ______ sb by sth for sb. It is first time that sb.have done sth. sth run out of by sb 还是sth is run out of by sb by sth.to sb.还是by sth.for sb. sb learn sth by oneself if sb had done sth/ sb have done造句 have sth./sb.done的用法, observe sb.\sth.done的例句急! let sb/sth do还是done