.
Ten minutes earlier________we could have avoided the accident.
| A．or | B．but | C．and | D．so |
________ you make a mistake, you should not be embarrassed. After all, we are human beings.
| A．Should | B．Would | C．Had | D．Were |
Medical doctors sometimes can make mistakes ______ will cost ______
| A．that; patients their lives |
| B．what; patients their lives |
| C．which; patients for their lives |
| D．that; patients with their lives |
Many people have applied for a job with our company, but we only have one or two ______ positions at the moment.
| A．empty | B．vacant |
| C．permanent | D．adequate |
We would not ______ such hard work. It’s impossible for us to complete in such a short time.
| A．take in | B．take off |
| C．take on | D．take up |
______ is no doubt that children ______ more easily to new environments than adults.
| A．It; adopt | B．There; adjust |
| C．It; advocate | D．There; allocate |