The worker is asking his boss for a(n)_____.

　　A.deserve B.worth C.worthy D.deserved

　　A. twelve-year-old B. twelve-year-olds C. twelve-years-old D. twelfth-year-old

　　A. Yes， I have. B.Yes， I havent C. No， I have D. No， I havent 

　　A. Its important for children to live with their parents.

　　B. Its helpful for people to see doctors every day.

　　C. Its useful for students to keep quiet in class.

　　D. Its necessary for young people to have group activities. 

　　A. pretty

　　B. happy

　　C. not clever

　　D. not friendly

　　A. they dont want to tell their secrets to others

　　B. their parents are too busy to look after them

　　C. doctors cant help them with the problems

　　D. they can do with problems themselves

　　A. studied hard

　　B. had exams

　　C. talked with her parents

　　D. went to see a doctor

The students may have _____ if they often become worried or have trouble getting on with others.

　　A. no parents

　　B. no secrets

　　C. no memories

　　D. mental problems

　　A.cheap

　　B.cheaper

　　C.cheapest

　　D.the cheapest

　　A.may； mustnt

　　B.must； may not

　　C.must； cant

　　D.can； may not