Nanjing is famous its long history and Shanghai is famousa big city in China.

Millie has _____free time than Sandy because she has____ work to do than Sandy.

In the 21st century, all nations must take their ________of responsibility for the global safety.

 The couple ________their old house and sold it for a vast profit. 

Some people go to coffee shops to meet friends, __________ may just want to have a cup of nice coffee.