问题
选择题
Elephants eat ________, but they can move _______ when necessary. [ ]
A. noisy; silent
B. noisily; silently
C. noisily; silence
D. noisy; silence
答案
答案：B
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Elephants eat ________, but they can move _______ when necessary. [ ]
A. noisy; silent
B. noisily; silently
C. noisily; silence
D. noisy; silence
答案：B