问题补充:
It is easy for the students to school because of the new subway in the city.
A. to go
B. go
C. goes
D. going
答案:
(答案→)A. to go
B. go
C. goes
D. going
解析:强调句式, It is adj for sb to do sth,做某事对某人来说怎么样。本句中it是形式主语,指代后面不定式内容做形式主语。句意:因为城市中的新铁路,学生们到校很容易。故选A。