Unfortunately, the element Madam Curie devoted all her life her death.
| A．to caused | B．causing | C．to be caused | D．to causing |
In order to get good marks, he has changed his attitude ______ study.
| A．about | B．of | C．to | D．on |
There is no ____ that 100 years ago animal testing was cruel, but today animals in experiments are very well taken care of.
| A．point | B．wonder | C．use | D．doubt |
He was about to make a call to Tom _____ Tom patted me on the shoulder.
| A．as | B．until | C．while | D．when |
She wondered uneasily what use she would _____ this opportunity.
| A．made | B．make about | C．make of | D．make for |
His parents insisted that he ____ his name ____ the next year.
| A．had, to change | B．have, changed |
| C．would have, to be changed | D．should have, to change |