Elephants eat__, but they can move _when necessary.A．noisy; silentB．noisily; silentlyC．n

题目简介

Elephants eat________, but they can move _______when necessary.A．noisy; silentB．noisily; silentlyC．n

Elephants eat________, but they can move _______when necessary.

A．noisy; silent

B．noisily; silently

C．noisily; silence

D．noisy; silence

题型：单选题难度：中档来源：不详

副词的用法。eat和move皆为行为动词，故用副词来修饰，noisy，silent为形容词，silence为名词；而noisily 和silently均为副词，故选B。