问题
选择题
To read Tolstoy and ____ to the nineteenth century Russian literature are two excellent reasons for taking Professor Morrel’s course.
A．to introduce
B．introduce
C．being introduced
D．to be introduced
答案
答案：D
不定式和动名词均可用来作主语，但要注意它们的一致性。另外introduce是及物动词，这里要用被动式。