. Don't _____ the news to the public until we give you the go-ahead (许可,准许).
The key _____ four modernizations lies _____ the science and education.
What one thinks and feels is mainly _____ traditions, habits and education.
Get in touch with them, for they will be anxious _____ news of your arrival.
I like the climate here _____ the wind blows .
They paid their taxes ____ cash.