--We ________ that you would fix the TV set for us.--I’m sorry, but I was too busy, so I ________.
The teacher requested that they _____their homework on time.
I can’t connect my computer to the Internet. There must be ________ wrong with it.
Work hard at your lessons, ______ you’ll fail the exams again.
We’ll never forget the days ______ we lived in the country.
I am sorry I didn’t hear you clearly. _____you repeat it please?