I had to my little sister when my mother was not at home.
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.
—Is the schoolbag beautiful?—Yes, at _____ it’s _____ the one you bought for me.