1 . Our boss is said to come back next week, __________ our task will have been finished. (用适当的词填空)

2 . The Amazon River, from ________ the rainforest gets its name, is close to 6,400 kilometres in length -roughly 100 kilometres longer than the Yangtze River. (用适当的词填空)

3 . The Amazon river, from ______ the rainforest gets its name, is close to 6,400kilometers in length. (用适当的词填空)

4 . Many young people, most of _______are well-educated, realize the importance of the biodiversity on the Earth. (用适当的词填空)

6 . I am looking for my glasses, without ________________ I can’t watch TV clearly. (用适当的词填空)

7 . Many factors influence a student in his or her study, most of ________ are out of a teacher’s control.（用适当的词填空）

8 . Mr Jones, for ______worked on the farm was very generous about overtime payments. (用适当的词填空)

9 . The Students’ Union is like a huge stage, ___________ everyone spares no effort to achieve their dreams. (用适当的词填空)

10 . The villagers, all of ________ houses had been damaged by the fire, were given help by the Red Cross. (用适当的词填空)