Your composition is good but your handwriting still requires　　　.

1. A.
   improving
2. B.
   improved
3. C.
   being improved
4. D.
   to improve

The new machine，if _________ properly，will work at least ten years.

　 A. use 　 B. using

　 C. being used 　 D. used

After the long journey,the guide　　　a very good one.

1. A.
   proved
2. B.
   proved to be
3. C.
   proved of
4. D.
   all the above

He just does what he pleases and never _____ about anyone else. 　

1. A.
   think
2. B.
   thinks
3. C.
   thinking
4. D.
   thought

They are subject to your　　　,but the final list is to be sent to the manager for his　　　.

1. A.
   obedience;approval
2. B.
   approval;agree
3. C.
   approval;approval
4. D.
   conformity;approval