It's obvious that the experiment ______ a great success.
| A．kept |
| B．showed |
| C．proved |
| D．remained |
—The water was running all night long.
—Yes. It seemed that John ______ . He was the last one to leave the lab.
| A．was to be blamed | B．was to blame |
| C．had been blamed | D．should be blamed |
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 |