The young man acted strangely during the interview. He made a bad impression _____the employer.
| A．to | B．in | C．with | D．on |
However, at times this balance in nature is disturbed by human activities, _______ a number of possibly unforeseen effects.
| A．lying in | B．calling in | C．taking in | D．resulting in |
These facts are unimportant in ________, but if you put them together, you may find something unusual.
| A．it | B．them | C．itself | D．themselves |
He minds so much about his position in the office that he ____ any chance to be promoted.
| A．watches out for | B．looks up | C．points out | D．watches out |
____________ the situation, Charles Yerkes undertook ____________ the system in 1902 by obtaining ownership of many different lines.
| A．Seeing, improving | B．Seen , improved |
| C．To see, to improve | D．Having seen, improving |
The initial tunnels were just ___________ the surface of the ground. People were transported in carriages, which were ___________ the narrow tunnels by steam engines.
| A．under, broken through | B．below, put through |
| C．of , gone through | D．beneath, pulled through |