1, Both French and English are .......... languages in Canada ( office )
2 , Do you know that the telephone , the television and penicillin are Scottish .......... ? ( invent )
3, Many astronauts said that it was .......... to see th Earth from space. ( wonder )
4, Oxygen is essential for the ........ of all plants and animals , whether they live on the land or in the water ( survive )
5, Astronauts who are orbiting the Earth often experience sensation of ......... ( weight )
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Sinh Học lớp 12
