题目

急求牛人解决几道sat语法题!
1.Nursing and physical therapy （B are examples of health-care fields that
) have shortages in staffing.
E exemplify health-care fields where they
但E为何不对?
2．male spiders live not in weds〔of their own making〕中不能理解括号里的词.我觉得是of their own,不知making何解?
3．at a time when interest in 20th century classical music [seems] on the verge of disappearing ,the avant-grade compositions of the 1960s [manage] to retain their popuarity.为什么用了现在时不用过去时?

提问时间：2021-03-20

答案

关于楼主追问说两句.动名词词组一般可以用it,但是要看句子语境.如果it有其他混淆指代目标就不可以.另外修饰动名词要看这个动名词是做动词还是名词用.比如the considerably increasing number of,这里的increasing就是动词,修饰用副词.但是如果是the great increasing of sth这里increasing就是名词,用形容词修饰.