9．It's _________ （危险）to cross roads when the traffic lights are red．

8．Jackson was __________ （采访）by his friend yesterday．

7．Everyone knows the __________ （重要性）of learning English．

6．The pen isn't mine，but I can't find the ________ （物主）．

5．He kept unhappy last week because his little brother d___ his walkman on the floor and broke it．

4．The teacher often r_____  the boy as his own child．

3．Taiwan b____________ to China forever．

2．I'm not good at English．My P___ is poor． 

1．Students need s_____________ rules．