Nowadays teachers tend to be more dependent on ________ is thought to be a great teaching aid—the computer.
-Everyone says you are a good student. You are never late for school,are you? -_______.
_____ all the inventions have in common is ______ they have succeeded.
-We want someone to design the new art museum for us.-_____ the young fellow have a try?
- When he was a little boy,he ______ on the farm.
I’ll give the prize to _______ finishes the work first.