问题
                    
She_______ballet before she entered film industry.
                            A:has practiced
B:had practiced
C:will practiced
D:would practiced
                        
                        B:had practiced
C:will practiced
D:would practiced
正确答案是:
                        
                        
                        
                    同类题型
                    John sings very well. We listened to sing a beautiful song yesterday.
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I ________ watch this TV programme. It’s very interesting.
I _____ the truth of your remarks, although they go against my interests.