something must be done to ______ the bird flu.Something must be done to ______ the bird flu.A) turn off B) take off C) put off D) keep off

问题描述:

something must be done to ______ the bird flu.
Something must be done to ______ the bird flu.
A) turn off B) take off C) put off D) keep off

D
我们必须做一些事情来阻止禽流感.
keep off:阻止 阻挡

b

选d
keep off 避开;防止;挡住
防止禽流感

D