9.“Oh, Peter, you are running a high fever. You _______ go to see a doctor or you’ll miss the entrance exam.” said the teacher.
Both of my parents insist ______ a computer for me, but I don’t think it is necessary.
The passenger was tired and walked slowly but he got home____.
A booking-office is a place _______ tickets are sold.
This is the reason _______ he was absent.
Listening to loud music at rock concerts ____ caused hearing loss in some teenagers.