Mrs. White became a teacher in 1985. She _____ for twenty years by next summer.
| A．will teach | B．would have taught | C．has been teaching | D．will have been teaching |
The determined mother has devoted all she has to ________ her son out of trouble.
| A．helping | B．help |
| C．have helped | D．having helped |
For the past two years I ________ to help my two brothers
| A．struggled | B．have struggled |
| C．had struggled | D．am struggling |
— Lucy, my good friend died in an accident yesterday.
—.
| A．That’s all right | B．You are lucky |
| C．Oh, well, that’s life | D．Don’t worry |
Dressed in a newly-bought skirt, _________.
| A．I could hardly recognize her |
| B．nobody could recognize her |
| C．she could hardly be recognized by me |
| D．there was nobody who could recognize her |
---It is not a secret that CEOs of major companies earn a large amount each year.
--- I agree. ____ the hard economic times, it seems that their salaries have remained the same.
| A．Apart from | B．Thanks to |
| C．Regardless of | D．In regard to |