问题
                    
How long has the movie ________? — About half an hour .
                            A:begun
B:started
C:shown
D:been on
                        
                        B:started
C:shown
D:been on
正确答案是:
                        
                        
                        
                    同类题型
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My father will have aholiday next month. He’ll take me to Qingdao.
Excuse me , would you please speak a little more ____?—Sorry, I thought you could follow me.