问题
                    
Mary is flying to France soon. She will arrive ________ London ________ the morning of July 19. [ ]
                            A: to, on 
B: in, on
C: in, in
D:at, in
                        
                        B: in, on
C: in, in
D:at, in
正确答案是:
                        
                        
                        
                    同类题型
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