问题
                    
I often get up ______ about 9 o’clock ______ Sundays. [ ]
                            A: in; on 
B: on; at
C: at; on
D:in; at
                        
                        B: on; at
C: at; on
D:in; at
正确答案是:
                        
                        
                        
                    同类题型
                    How long have you ______ the map?—For two years. I ______ it in the market two years ago.
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