问题
                    
Judy, I guess you are only twenty-five years old, is that true — Oh, it’s a ______.
                            A:suggestion
B:secret
C:reason
D:problem;
                        
                        B:secret
C:reason
D:problem;
正确答案是:
                         
                        
                        
                    同类题型
                    The twins are so alike that no one can ________ one from the other.[ ]
I’m going to the Fairy Mountain tomorrow.—________
When I am ill, my mother ___________ me carefully( 细心).
Although the children _______ in age _______ seven to thirteen, they have a lot in common.
Jimmy was so nervous not a single word down in the dictation.