He is only too ready to help others, seldom, ____, refusing them when they turn to him.
| A．if never | B．if ever | C．if not | D．if any |
—What do you think of the man you have just interviewed?
—He gave me a(an) ___ that he was not very ___ about the job.
| A．expression; eager |
| B．impression; enthusiastic |
| C．idea; anxious |
| D．impression; interested |
I’ve always been very ___ about giving my address and telephone number to strangers.
| A．worried |
| B．anxious |
| C．careful |
| D．cautious |
I waved to Nancy, but she was ___ in her thoughts, and made no response.
| A．involved |
| B．stuck |
| C．absorbed |
| D．interested |
I have tried to solve the problem, but it is so difficult that it ___ not only me but also my friend.
| A．attracts |
| B．handles |
| C．defeats |
| D．injures |
John Snow became inspired when he thought about helping ordinary people ___ Cholera.
| A．led to |
| B．contribute to |
| C．exposed to |
| D．absorbed into |