this is the refrigerator _we have had so nuch trouble
this is the refrigerator _we have had so nuch trouble
this is the machine ()we have had so much trouble
TESTNINE 18.this is the refrigerator we have had so much tro
this is the washing machine / we have had so much trouble.a
this is the biggst ladoratory _we have ever built in our sch
this is the biggest laborary _we have ever built in our scho
the room is so dirty _we clean it?
24.This is the microscope ______ which we have had so much t
This is the question we have had so much discussion about .这
the patient had trouble breathing,so the doctor suggested he
this is the _____(bad)day I have ever had
本句中缺少什么语 This is the house _we live?