It was April 29，2011 __________ Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.
| A．that |
| B．when |
| C．since |
| D．before |
Mary got up early________ she could prepare breakfast for her brother.
| A．so that | B．although | C．as if | D．even if |
The teacher told him to speak louder ________by everybody.
| A．so as to be heard | B．so as to hear |
| C．in order that heard | D．in order to hear |
Everyone here will thank the firefighters for the things they did to prevent fires ________the environment safer.
| A．to make | B．make | C．making | D．from making |
She always goes swimming ________cold it is.
| A．however | B．no matter | C．although | D．whatever |
—We'd like you to start work tomorrow if possible.
—I'm sorry, but I can't possibly start until Monday.________？
| A．Do you agree with me | B．Is that a good idea |
| C．Do you think I'm right | D．Will that be all right |