1 . The path before you leads _______ a world full of challenges. （用适当的词填空）

2 . All of this can lead __________ a breakdown in your relationship. (用适当的词填空)

3 . We firmly believe that war never settles anything but lead ______ violence. (用适当的词填空)

4 . What is known to us is that it’s human’s activity that leads _______ global warming. (用适当的词填空)

5 . When interviewed, he said that it was diligence rather than intelligence that led _____ his success. (用适当的词填空)

6 . The tough market would lead________ 200 jobs being cut up the second half of this year. (用适当的词填空)

7 . Generally speaking, all forms of activities may lead ________ boredom when they are performed on a routine basis.(用适当的词填空)

8 . Pain is your body telling you something’s wrong, and continuing to exercise could ________ ________(导致) serious injury. （根据汉语提示完成句子）

9 . The Government’s present course will only lead ________ disaster.(用适当的词填空)

10 . Of course, doing something could lead ________ mistakes, but mistakes are a part of life. （用适当的词填空）