to control breakouts of bird flu that many monitoring stations have been set up是动词不定式,做表语,而且跟后面的to disturb the living environment of wildlife对应.
反疑问句是反问从句的内容,而且不可以用情态动词.
to control breakouts of bird flu that many monitoring stations have been set up是动词不定式,做表语,而且跟后面的to disturb the living environment of wildlife对应.
反疑问句是反问从句的内容,而且不可以用情态动词.