--Have you seen _________ film where are we going, Dad?--Yes, it’s quite ______ interesting film so that I have seen it twice.
Who is ______ of the three young men?
--You don’t look ______ today. What’s wrong? --It’s the bad fever.
Sometimes parents find ______ hard to communicate with their children.
Nowadays scientists are working hard to find out ______ to do with air pollution.
Good teachers can usually give the students______ advice on their study.