问题
                    
People open their presents _____ Christmas Day. [ ]
                            A: at
B: on
C: for
D:during
                        
                        B: on
C: for
D:during
正确答案是:
                        
                        
                        
                    同类题型
                    The plane arrives ____ January fifth in the afternoon. [ ]
Is there ________ in today’s menu? —Yes, we have Beijing Duck.
People pay more attention to protecting environment. There _________ less pollution in the future.
Can you tell me ______ live a low-carbon(低碳) life ?—-OK. By using both sides of the paper.