问题
                    
He, an average citizen, always thinks of_____ he can do more for the people [ ]
                            A: how 
B: why
C: what
D: which
                        
                        B: why
C: what
D: which
正确答案是:
                        
                        
                        
                    同类题型
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Mike, can you do 20 press-ups in two minutes— __________. I can do 40!
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