Properly _______ with numbers, the books can be easily found.

　A. marked　        B. mark　　                     C. to mark　　          D. marking

The _______ price will save you one dollar for each dozen.　

　A. reduce　                     B. reducing　                   C. reduced　                    D. reduces

.If he succeeded _______ a job, his children wouldn't be suffering from hunger now.

　A. to find　　 　        B. to look for 　           C. in finding　　          D. in looking for

They suggested __ the sports meet till next Tuesday.

  A. us to put off   B. our putting off  C. us of putting off   D. our put off

________you the truth, she knows nothing about it.

A. Tell           B. Telling             C. To tell              D. Told

_______a reply, he decided to write again.

　A. Not receiving　　B. Receiving not　　C. Not having received　　D. Having received not

The path in the park looked beautiful, _______ with_______leaves.

　　A.covered;falling   B.covered;fallen    C.covering;falling D.covering,fallen

 “Please don't forget ______ the door when you leave.”     “No, I won't forget ______ it.”

  A. to lock; to lock   B. to lock; locking         C. locking; to lock         D. locking; locking

.China is one of the largest countries in the world, _______ 9.6 million square (平方) kilometers.

　A. to cover                B. covered　         C. covers　        D. covering

 _______ how to do the homework, I went to ask my teacher for help.  

　A. Not to know　   B. Not knowing               C. Knowing not　             D. Not known