1 . Instead of making many excuses ________ you can’t reach your goal, just hold to your dream and never give up. (用适当的词填空)

3 . These negative thoughts are one reason ________ you stay awake after the light goes off. （用适当的词填空）

4 . One of the reasons _______ people fail to get a good night’s sleep is pressure from school or work. （用适当的词填空）

5 . It is normal for teenagers to be ___________ (slight) overweight and there is no reason ________ they should be worried. (所给词的适当形式填空)

6 . The reason ______ he was late for the class was that he overslept. (用适当的词填空)

7 . There isn’t much work to do this coming Saturday, which is part of the reason _____ I plan to visit my uncle then. （用适当的词填空）

8 . There are many reasons ________ people send their children to a foreign country. (用适当的词填空)

9 . This is the reason ________ he cried so suddenly.

A．what

B．which

C．that

D．why

10 . The reason ____________ I was away from school is ___________ I was caught in the traffic jam. (用适当的词填空)