问题
                    
Don’t be angry.(别生气) She isonly child.
                            A:aeight-year-old
B:aneight-year-old
C:aneight-years-old
D:aeight-years-old
                        
                        B:aneight-year-old
C:aneight-years-old
D:aeight-years-old
正确答案是:
                        