问题补充:
The book forty maps, three of Great Britain .
A. is containing; includes
B. contains; included
C. contains; including
D. includes; contains
答案:
A. is containing; includes
(答案→)B. contains; included
C. contains; including
D. includes; contains
解析:第一空是谓语动词,contains不能用进行体,故排除A。因为没有连词所以第二空应是非谓语动词,故排除AD;sth+ included或including+ sth包括……;是固定短语,故选B。