He never speaks to others until ______.
| A．he speaks | B．spoken to | C．he is spoken | D．he speaks to |
Clive Palmer，the designer of Titanic II，________to answer questions about the project's cost.
| A．abandoned | B．declined |
| C．decreased | D．regretted |
The couple's birthday this year happened to fall on ________ same day，________Monday in September.
| A．the；/ | B．a；/ |
| C．a；the | D．the；a |
Most people will gradually gain confidence as they________life.
| A．get through | B．look through |
| C．break through | D．go through |
It is requested that the machine be operated according to the________．
| A．introductions | B．explanations |
| C．suggestions | D．instructions |
－Mary，could you please post the letter for me while you are out?
－________
| A．I'd rather you didn't. | B．It's OK with me. |
| C．What for? | D．By all means. |