I think you should work harder ________ you are satisfied with the way things are.
| A．if | B．when |
| C．since | D．unless |
Those books were _______ adults, so it’s unnecessary for teenagers to digest them carefully.
| A．devoted to | B．intended for | C．connected with | D．introduced to |
--You seemed to be impressed by his skill.
---No. It was his courage ________ his skill that really impressed me.
| A．but also | B．as well as | C．except for | D．rather than |
This is the best way I could think of ______________ into the dangerous area.
| A．stopped people getting | B．to protect people from getting |
| C．to prevent people getting | D．keeping people from getting |
The news that he failed in the exam _____________ his unhappiness this morning.
| A．accounted for | B．accounting for | C．had accounted for | D．to account for |
We must face the fact __________ our time is limited and we must cherish every minute.
| A．which | B．on which | C．that | D．why |