So quickly ______ that what is a possibility today may be a reality tomorrow.[ ]

The price of oil is __________higher and higher, which doesn’t prevent people from owning a new car in many developed cities in China. [ ]

It is not always easy for thepublic to see _____ use a new invention can be of to human life.

You play basketball so well. How often do you play it–_______.

Today is Tuesday and tomorrow is .