Paper making began in China and from there it _____ to North Africa and Europe.
| A．sprang | B．spilled | C．carried | D．spread |
Only when senior high school to show a great interest in poems.
| A．did I enter; did I begin | B．did I enter; I began |
| C．I entered; I began | D．I entered; did I begin |
— Why are you still here? Everybody has gone to attend the lecture by the president.
— Oh, I about it!
| A．wasn’t informed | B．hadn’t been informed |
| C．haven’t informed | D．didn’t inform |
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 |