After a day’s hard work, I went back home ________.
| A．exhausting | B．exhausted | C．being exhausted | D．having exhausted |
Take the medicine and have a good sleep, but if the pain continues, ______ your doctor.
| A．confirm |
| B．consult |
| C．consider |
| D．convince |
The earlier settlers learned to farm the land through ______ and error.
| A．test |
| B．trial |
| C．experiment |
| D．try |
The moment she heard of the news that her son was involved in the crime, she ______ pale.
| A．went |
| B．got |
| C．changed |
| D．appeared |
I didn't see you at the meeting. If you ______ , you would have met my brother.
| A．has come |
| B．did come |
| C．had come |
| D．came |
Don't use words and expressions or phrases ______ only to people with specific knowledge.
| A．being known |
| B．having known |
| C．to be known |
| D．known |