Great changes _____ in my hometown in the last 30 years and local people are living a happy life today.
— Can you complete the task tomorrow?— Sorry, it is _________, but I will try my best.
. _________ is known to all, good friends _________ happiness and value to life.
At the sight of the _________ scene, he was almost _________ to death.
The scientist knew nothing about the matter, because he was always _________ himself in his study.
He said he _________ his work, and then we needed to wait for him for a little while.