问题
                    
Paul, why didn’t you close the windows yesterday?-Really? I remember______ them before I left.
                            A:to close
B:closing
C:not to close
D:not closing
                        
                        B:closing
C:not to close
D:not closing
正确答案是:
                        
                        
                        
                    同类题型
                    Do you think yesterday’s math problem was difficult?— Yes. I could work it out.
Could you tell me_______________? I’ll meet you at the airport. —At 11:00 am.
Everyone is here ______ James. Shall we wait for him? [ ]
What do you think of this film? – Great! I_______ such a wonderful film before.
As we know, England is European country and Singapore isAsian country.