“…a world that is still full of mysteries”refers to________
A. The earth.
B. Out space.
C. The ocean.
D. Mars.
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Which of the following is said to be the most expensive and harmful?
The principle behind "'quiz" or "'game" shows is to put ordinary people on TV to
A. Right
B. Wrong
C. Not mentioned
请选择(10)处的最佳答案.
A. later
B. latter
C. lately
D. afterwards
请选择(11)处的最佳答案.
A. been
B. developed
C. found
D. learned