And we will build new homes and schools on (17) planets. Maybe we can chat with each other in our new homes. Michael thinks that no animals will (18) because of the technology of cloning(克隆技术). There will (19) no pollution. The whole world will be one big family. As time ...
identify coastal and interior countries, find the southernmost country, and so on. Then provide each student with an outline map of Africa. Read aloud clues such asthe country in the northeastern corner of the African continent