They must have gotten to the top of the mountain by now. They_____ before the sun rose.
| A.settled down | B.set out | C.took off | D.turned up | 
The child was told to ________ for being rude to his uncle.
| A.excuse | B.apologize | 
| C.pardon | D.thank | 
The two girls had been talking in ________ low voice all ________ time during the meeting, which upset the manager.
| A.a; / | B./; / | 
| C./; the | D.a; the | 
This theory is found to be in line with the experimental results. Which of the following is similar to the underlined words?
| A.reasonable | B.materialistic | 
| C.assertive | D.consistent | 
____ you are a high school student, you are responsible for what you do.Which of the following is WRONG?
| A.Now that | B.Because | 
| C.Since | D.Despite | 
Dust and dirt soon ____ if a house is not cleaned regularly.
| A.accumulate | B.abandon | 
| C.access | D.assess |