For some students, professional training might be the way to go since well-developed skills, _______ , can be the difference between having a job and not.
| A．all other factors are equal |
| B．all other factors to be equal |
| C．all other factors being equal |
| D．if all other factors being equal |
It used to be thought _____ the Earth was flat.
| A．as | B．when |
| C．since | D．that |
Energy is ____ makes one work.
| A．what | B．something |
| C．anything | D．that |
The train leaves at 6:00 p.m. So I have to be at the station _______5:40 p.m. at the latest.
| A．until | B．after |
| C．around | D．by |
They promise that the work would all be finished _____ next week.
| A．until | B．in |
| C．by | D．to |
_____ their inexperience, they’ve done a good job.
| A．Given | B．Supposed |
| C．Considered | D．Concluded |