He arrived ___________ the airport at ten o’clock. 2. Sister Dan is sitting ___________ the desk all day . 3. He arrived ____________ Shanghai yesterday. 4. Hubei Province is ___________ the middle of China. 5. Datong is _________ the north of Shanxi Province. 6. Russia is __________ the north of China. 7. Singapore is ___________ the southeast of China. 8. Canada is ______ the north of the United States of America. 9. Manchuria is ________ _ the border _________ China.