He got up late and hurried to his office, _____the breakfast untouched.
| A．left | B．to leave | C．leaving | D．having left |
.
On average, there are 800 tornadoes in the U.S. each year, _______ about 80 deaths and 1,500 injuries.
| A．cause | B．caused | C．to cause | D．causing |
.
Britain is an island _______ the coast of continental Europe.
A on B. off C. from D. along
.
Though an active politician, she succeeded in balancing the _______ she played both at home and in society.
| A．characters | B．parts | C．performances | D．activities |
.
After studying in a medical university for five years, Jack _______ the job as a doctor in his hometown.
| A．picked up | B．set up | C．took up | D．made up |
.
He was feeling bad. He went to work, _______, and tried to fix his attention on it.
| A．however | B．so | C．although | D．while |