6.填谓语动词还是非谓语动词
“Each of the students, working hard at his or her lessons,to go to university.”“So do I.”
A. hopeB. hopesC. hopingD. hoped
此题应选B，句子的真正主语是each of the students，横线处填的hopes是句子谓语，其中的working hard at his or her lessons是插入句中修饰主语的非限制性定语。
(1) Each of the students, hoping to pass the exam,the book.
A. buying B. having bought C. should buyD. to buy答案选C，each of the students是句子主语，横线处为句子谓语，hoping to pass the exam是修饰句子主语的非限制性定语。
(2) Many countries, for example, Mexico and Japan,a lot of earthquakes.
A. haveB. havingC. to haveD. having had答案选A，many countries是句子主语，横线处为句子谓语。
