In a time of social reform, people’s state of mind tends to keep _______ with the rapid changes of society.
---Won't you go shopping with your mother? --- _______ she promises to buy me a new sweater.
We tried to find a table for seven, but they were all ______.
China has got a good ______ for fighting against the flu with its careful and smooth organization.
Do you know ______ your parents are pleased ______ you’ve done?
This time next week, we _______ a meeting in Beijing.