问题
                    
What’s wrong with him? I haven’t seen him_____ last Wednesday. [ ]
                            A: since
B: on
C: by
D:until
                        
                        B: on
C: by
D:until
正确答案是:
                        
                        
                        
                    同类题型
                    ___ is it from Shanghai to Shijiazhuang? Two thousand kilometres. [ ]
Are you feeling tired after the long walk? —_____. In fact, I feel quite relaxed. [ ]
How long __________ your parents ___________? —For about twenty years.
How was your day off during the Qingming Festival?— Pretty good! We Xu Xiaoxuan’s former home.