The Brief History of Time ___ by Steven Hawking. It is a great book about science.A is written B was written 难道该句子只能用被动态的过去时?有无可能用一般现在时来被动表示“客观的常识,还有常态化的含义?
Whereas the poverty rate among youngsters living with two married parents
is 7.5%, among those raised by a single mother it is 35%. 麻烦请问一下老师,这个句子中前面的among短语和后面的among短语分别作什么成分,后者为啥要提前?