He ________ to get a high position in the company，but failed because of his poor ability of communication.
| A．attempted | B．managed |
| C．thought | D．succeeded |
Mr. Duncan raised an unnecessary question he then failed to find an answer.
| A．to which | B．for which |
| C．with which | D．by which |
The sale usually takes place outside the house, with the audience on benches,
chairs or boxes.
| A．having seated | B．to seat | C．seated | D．seating |
We still remember once round the famous tower when we were young.
| A．having taken | B．to be taken |
| C．having been taken | D．to have taken |
— Marx looks nervous.
— So you if you had so fierce a competition.
| A．do | B．did | C．will | D．would |
caused the accident is still a mystery.
| A．How | B．What | C．That | D．Where |