8.them→it　此处代词指代的是ship,所以应用单数形式。　

7.but→and　此句是递进关系，而不是转折关系。　

6.on→in　be interested in “对……感兴趣”, 是固定搭配。　

5.invent→inventing　by是介词,后面接动词要用动名词形式。　

4.long time→a long time　

3.√　

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。