1.We are not allowed （to ）smoke in our school.
2.Have you ever seen an important Chinese deer call(ed) miludeer before?
3.It is reported that another satellite ha(d) been sent into the space by Chinese recently.
4.This collection includ(s) over fifty short stories written by Lu Xun.
5.The door has been opened (by) itself.
6.Something bad has () happened to him.