Question

Elephants eat________, but they can move _______when necessary.

A．noisy; silent

B．noisily; silently

C．noisily; silence

D．noisy; silence

Answer 1

B

副詞的用法。eat和move皆為行為動詞，故用副詞來修飾，noisy，silent為形容詞，silence為名詞；而noisily 和silently均為副詞，故選B。