Many young people don't work hard, and regret it later when the opportunity is gone.They only realize it________it is too late.
Can it have been on the playground ________ you lost your watch ?
The manager,________ it clear to us that he didn’t agree with us ,left the meeting room.
What he regrets is that more than a chance .
So unusually that many students call her a “fairy”.
Seeing someone in trouble,he always help to them.