Fred entered without knocking and, very out of breath, sank _______ a chair.
| A．on | B．off | C．into | D．to |
Would you gather enough courage and energy to ______ the leadership of the dance group?
| A．take in | B．take up | C．take off | D．take down |
Eating too much fat can ______ heart disease and cause high blood pressure.
| A．result from | B．devote to | C．attend to | D．contribute to |
is no need
| A．It; complaining | B．That; complaining | C．There; to complain | D．This; to complain |
The ______ girl sat in the corner _______.
| A．frightening; cried | B．frightening; crying |
| C．frightened; crying | D．frightened; to cry |
—Bob, look what you have done! You ruined the experiment.
—It’s not my fault. I just carried out the instructions _____.
| A．as told | B．as telling me | C．as telling | D．as I told |