摘要:Not too long ago, people can’t go scuba diving on 1. Hainan Island, or anywhere else. This were because 2. there was no machine allowing a person to breathe 3. under water for long time.In 1943 Jacques Cousteau 4. and his friend made it possible by invent the scuba 5. machine.Cousteau was very interested on diving 6. deep into the sea, but wanted to be an explorer.He 7. bought a ship and used them to explore under the sea. 8. He also was liked to make videos.As he explored the 9. sea, he took pictures and videos of many thing that 10. people had never seen before. 答案:’t→couldn’t Not too long ago限定了时态.应该是一般过去时. 2.were→was this 是单数概念.应与was 搭配.

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