...nbsp; D. that答案是B。选B的理由我很清楚,因为是用作定语,修饰名词diet。我的意思,这好像是两个定语从句who are not active 和whose diet is high in fat一起修饰名词children吧。这个很有趣,我想再要几个这样的例子来学习,请专家...
Also, cable advertisers generally do not have to make the large
up-front commitments, which may be as much as a year in advance, the networks
require.请问老师,which的先行词commitments may be as much
as a year in advance. 承诺是一年,这应该如何理解?
As is known to everyone, the moon travels round the earth once every moth.
实在搞不明白,as既然是代替逗号后面的内容,那么他不就跟 It is know to everyone that ...完全一样了吗?为什么还称他是非限制定语?