用括号里词的适当形式填空。(10分)
Most people know the ____________ (important) of time ,so they never waster time.
The boring speech made us all feel ____________ (sleep)
Keeping the pet dog brings us lots of ___________ (happy)
The ____________ (popular) of the program is to make children understand each other better.
Don’t be afraid of ___________ (lose) face when you are speaking in public.
My car broke down so I had it _____________ (fix) in the garage.
He is lucky to have a chance ____________ (try) a second time.
Tea was __________ (bring) to Korea during the 6^th and 7^th centuries.
We want to see him __________ (achieve) his dreams.
A letter is ____________ (receive) from his son every month..