The little girl wants to go home at once (立刻) because she ____ her parents very much.
—John, ______ do you visit your grandparents?—Once a week.
I’ll never forget the lesson ______ last year.
On my visit to Australia, I feel Australians are similar ______ us in many ways.
I hope everyone can care about ______ the environment and stop ______ things.
By reading the article, we know how ______ in our daily life.