__________knowledge comes from practice is known to all.
---Kevin, you look worried. Anything wrong? ---Well, I a test and I’m waiting for the result.
Not until he retired from teaching three years ago having a holiday abroad.
---Could we see each other at 3 this afternoon?---Sorry, let’s make it ____ time.
________is power is a famous saying known to all.
John was usually so careful, this time he made a small mistake.