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did是do的过去式，过去式变一般疑问句时用did做助动词。
last night 昨晚，前一晚
last morning 昨天早上
last evening 昨天晚上
I played a game yesterday.
She arrived in Beijing last evening.
Jack called Amy the day before yesterday.
My mother emptied the bin last morning.
Who telephoned Pauline?
How many times did Ron telephone Pauline?
How did Pauline answer the telephone at nine?
