A number of people have been experimenting during the 20s with________________________________.
举一反三
- People’s life standards, health conditions and education have been improved by the revolution of ______.
- On the lunar New Year’s day, many Chinese people often have quite a number of occasions to ________.
- We have been friends and ________ for more than 20 years. (people who work together)
- During television’s first 20 years, deaf people missed most of the fun because they ______.
- 3. A number of reforms to the ______________have been proposed.