6. Can you think of a ________ excuse for our being late?
A. flexible 
B. reliable
C.favorable 
D.reasonable

7. Care should be taken to decrease the length of time that one is ________ loud continuous noise.
A.subjected to 
B. filled with
C.associated with 
D.attached to

8. Children are _________to have some accidents as they grow up.
A. obvious 
B. indispensable
C.bound 
D.doubtless

9. Children are very curious ________.
A.at heart 
B. in person
C. on purpose 
D.by nature

10. China Daily never loses sight of the fact that each day all of us _________ a tough, challenging world.
A.encounter 
B. acquaint
C. preside 
D.confront 

D A C D D