问题
选择题
Cats are __________ a kind of pet. They can do much good to their masters.[ ]
A. more than
B. not more than
C. more
D. better
答案
答案：A
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Cats are __________ a kind of pet. They can do much good to their masters.[ ]
A. more than
B. not more than
C. more
D. better
答案：A