—World Sleep Day falls on March 21st. Do you think sleep is important?
—I think so. Sleeping well can give you enough ________.
courage
energy
reason
His grandfather _____ for two years.
There are ten people in the classroom, but I know _____.
Every driver is _____ to obey the traffic rules.
China is a _____country, while Japan is a ______country.
—Would you like to have _____? —No, thank you. I’ve had enough.