A. only during the daytime B. in case of emergency

　　C. till the end of the Spring Break D. after 22:00 p.m. every day

　　12. We can learn from the passage that children can .

　　A. attend all the activities with their parents

　　B. enjoy reading some relevant books in the activities.

　　C. participate in the activities from 8:00 a.m. to 4:00 p.m.

　　D. choose only one of the activities according to their interest

　　BCCA  CCBB