Many, many years ago, horses had seven toes.
A. Right
B. Wrong
C. Doesn't say
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【B9】
A. the other
B. others
C. other
At that time, the cat-like horses could climb (攀登,上升) trees.
A. Right
B. Wrong
C. Doesn't say
【B6】
A. enjoying
B. enjoyable
C. enjoys