help.
问题描述:
help.
Human facial expressions differ from those of animal in the degree__they can be controled on purpose.
A、with which B、to which C、of which D、for which
我的疑问是句子中的in,感觉好奇怪,不知道跟哪个短语联系 这个词在句子中和哪部分有联系?是个多余的词吗?
答
不是,differ from sth in sth,即与某事在某方面有区别.