------Have you known each other for long?
------ Not very, ________we started to work in the ABC Motor Company.
| A．before | B．since | C．when | D．after |
The speech by the mayor of Shanghai before the final voting for EXPO 2010 is strongly impressed _______ my memory.
| A．to | B．with | C．over | D．on |
After he retired from office, Rogers ______ painting for a while, but soon lost interest.
| A．took up | B．saved up | C．kept up | D．drew up |
Mr. Smith was very disappointed to see the car he had had _____ went wrong again.
| A．to be repaired | B．repaired | C．it repaired | D．it |
Tom rushed out in a hurry, ______ the door ______.
| A．leaving; unlocked | B．leaving; unlocking |
| C．left; unlocked | D．to leave; unlocking |
This computer doesn’t work properly, because the operating system has.
| A．broken up | B．broken down |
| C．broken out | D．broken away |