Crew members of the Shenzhou XII mission returned to Earth on Friday afternoon,     1     (conclude) a historic journey in China's Tiangong space station.

Nie Haisheng and his crew spent 92 days in space since the Shenzhou XII spacecraft     2    (launch) at the Jiuquan center on June 17. They were the first inhabitants of China's permanent space station     3    (name) Tiangong, or Heavenly Palace.

During    4    (them) stay in Tiangong, the astronauts carried out two extravehicular activities, or spacewalks, using a large robotic arm and other     5    (equip) to install and adjust devices outside the station. They also performed a number of scientific experiments and technological tests, and had video calls with President Xi Jinping and hundreds of researchers, teachers and students in Hong Kong.

It is a     6     (fruit) trip by any measure,     7     proves China's ability to provide a long-term living environment in space. Their work also prepares China for the next steps in its construction. “So far China's manned space programs     8     (contribute) greatly to mankind's peaceful development of outer space     9     the country will continue broadening and deepening its cooperation and communication with the international community to build the Chinese space station     10     a shared laboratory to bring benefits to all people on the globe.” Zhao Lijian, a spokesman for the Foreign Ministry, told reporters.

Table tennis first     1     (appear) during Victorian England. Table tennis didn’t become a competitive sport until 1988. Now table tennis not only is a matter of competition, but also provides an opportunity for people to play together no matter what their ages are. There is a day for people     2     love table tennis to spread their love for the sport. It     3     (call) World Table Tennis Day.

The International Table Tennis Federation has taken table tennis to a     4     (complete) new level. ITTF tries to make table tennis popular around the world.     5     (achieve) this goal, in 2015 ITTTF created World Table Tennis Day to get people interested     6     table tennis. Since then it has been celebrating the day so that more people can learn about     7     sport.

World Table Tennis Day is celebrated by     8     (organize) activities in the streets, clubs, bars, schools, workplaces etc. People can register for all these     9     (event) on the Internet to join in the worldwide celebration. If you’re looking for other ways to celebrate World Table Tennis Day, you can choose to watch     10     (excite) table tennis games on TV on the day and tell your friends what day it is.