The reason ____ he was late for school was _____he had to send his mother to a hospital.
| A．that; why | B．why; because | C．why; that | D．that; because |
If you have a job, yourself to it and you’ll succeed.
| A．don’t devote | B．do devote | C．devoting | D．not devote |
By working slowly but surely towards your goal, you’ll _____ succeed.
| A．eventually | B．accidentally | C．occasionally | D．purposely |
In front of the house _____ with a history of 100 years.
| A．does a tall stand | B．stands a tall tree |
| C．a tall tree is standing | D．a tall tree stands |
Since most Antarctic rocks are dark in color, they stood out _____ the white background and are easy to identify and collect.
| A．against | B．on | C．beyond | D．above |
No sooner had I come to the office _____ the boss told me that I was fired.
| A．when | B．after | C．than | D．before |