问题
                    
_____ do you practice _____ tennis? —Twice a week.[ ]
                            A: How long, play
B: How farIMG style="WIDTH: 1px; HEIGHT: 1px; VERTI
C: How many times, playing
D: How often, playing
                        
                        B: How farIMG style="WIDTH: 1px; HEIGHT: 1px; VERTI
C: How many times, playing
D: How often, playing
正确答案是:
                        
                        
                        
                    同类题型
                    Oh, the music is wonderful. Would you please _______ the radio?—All right.
The baby was born the evening April 3rd.[ ]
This_____ my uncle and those _______ my grandparents.
What’s up, Dave? — The meeting is almost over, but Henry hasn’t yet.
My father______ Australia for a year. And he enjoys staying there.