GooD.morning you!A.for B.of C.to D.at
I saw them _____ basketball at this time yesterday.
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.