When did you first visit China?I think it _____in 1996,when

When did you first visit China?I think it _____in 1996,when When did you first meet Mr Smith?It was in the year ------ I When did you come to China?I came on ______________. When did you do it? I ( ) it a moment ago. did you think your teacher_____ with you when you did it? when did you have it When did you know it? when did you first play piano? when did you come to China?----On When did you come to China? When you visit London,one of the first things you will see i it is polite a gift when you visit somebody for the first ti