定语从句1.I know the person ______ company produces new machines

定语从句
1.I know the person ______ company produces new machines
She is the engineer _____ work is considered to be the best here.
This is the person _____ story surprised everybody.
The woman ______ secret was discovered kept her job in the company.
This is the boy ______ mother teaches us Chinese in our school.
The girl _____ watch was lost cried sadly.
Please pass me the book _____ cover is black.
The student _____ shoes are dirty played basketball so well.
Mr Lee _____ son is my classmate is my English teacher.
Is this factory the one __________a lot of students visited yesterday?
用关系代词填空：that 、which 、who、 whom 、whose