The graduating students are busy _______ material for their reports.

　A. collect　               B. to collect　               C. collected　                     D. collecting

The ground is _______ with _______ leaves.　

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

 _______ a post office, I stopped _______ some stamps.　

　A. Passed, buying　 B. Passing, to buy　       C. Having passed, buy    D. Pass, to buy

There is a     to one’s capacity; one should not make oneself overtired.

A. relaxation    B. contribution             C. hesitation   D. limitation

When I entered his room, I found him   an armchair, deep in thought.

A. sitting on    B. sit in    C. seat on    D. seated in

The gentleman does not ____the argument but watches the other guests.

A. drop in     B. fill in     C. put in     D. join in

—Oh, my God, the room is in such a mess.

—It must be caused by the cat, I'll ____ all the things _____.

A. put/ out       B. put/ away            C. put/off            D. put/ through

My son John asked me to ___ him off at school on my way to work because it was raining.  

A. take      B. drop          C. put     D. cut

—— You finally made it , didn’t you ?

    ——Yes ,          your help , I would have not succeeded.

   A. but for       B. except for      C. but that         D. thanks to 

In the years        , the city government will take effective measures to bring the price of the house under control.

A. following       B. followed        C. follow           D. to follow