With the rapid progress in high technology， 5G （use） around most parts of China in the near future．
（protect） the environment， supermarkets don't provide free plastic bags for shoppers．
Recently， more and more people （realize） that clear waters and green mountains are the same valuable as mountains of gold and silver．
﹣﹣﹣Tom， I called you this morning， but nobody answered．
﹣﹣﹣Sorry， I （water） trees and flowers in my garden at that time．
Last year，I （watch） our country's 70th anniversary ceremony （周年庆）on TV．