In 1778, Bank was elected _________ president of the Royal Society, ________ position he held for 43 years.
| A．the; the | B．不填; a | C．a; a | D．不填 ; the |
The cause he had devoted himself to________a perfect success.
| A．proving |
| B．proved |
| C．was proved |
| D．has been proved |
The work they got down to________again yesterday because of the bad weather.
| A．stopped |
| B．stop |
| C．stopping |
| D．be stopped |
I can't meet their requirements that I________there at once.
| A．went |
| B．have gone |
| C．go |
| D．going |
He was________with gambling a year ago and lost his family.
| A．obsessed |
| B．blessed |
| C．pleased |
| D．popular |
Learning a foreign language calls for your memory，time，patience and emotions.________ it is not a simple thing.
| A．As a result of |
| B．In short |
| C．In generally |
| D．In the conclusion |