There are a lot of flowers on sides of the street.
John _____ go there with us tonight, but he isn’t sure about it.
You must ______ your cigarette when you are at the gas station.
Her grandparents are still in good health ______ they are over eighty.
China lies _____ the east of Asia and _____ the north of Australia.
—What do you think of his concert?—Oh, no one does______.