We were having lunch,when someone knocked the door (问号处填介词或副词)

We were having lunch,when someone knocked the door (问号处填介词或副词) one day,we were having lunch when a foreign boy came( )our classroom.填一个介词~! We are having lunch together.划线在having lunch急 we're having lunch‘we're having lunch为什么不这么说呢we're having our lunch Are we having lunch?这个怎么翻译啊 We are having lunch的否定句,急 They were having lunch at 12 o'cioch yesterday.(改为一般疑问句) It's time to have lunch.和We are having a good tiIt's time to have lunch.和We are having a good time.的同义句 We were having fun in the playground when the bell We were having a party when the rain started.(改为同义句) ________ we were having a party, therain _______. having lunch in ...为什么用having l' m having lunch (画线在having lunch） 我们正吃早餐用英语说为什么不是we are having breakfeast.而是we were having breakfeast 为什么是we were having breakfast, 而不是we are eatting breakfast. We were having______ lunch when they came in 填什么?为什么? We were having supper when the phone rang.We were having supper when the phone ringing.We were having supper when the phone was ringing .哪个句子是对的? （ ）when I got there?A.She was having lunch with her motherB.Were you at homeC.Did you go shoppingD.Were you sleeping after_____ lunch,we often have 45 minutes' rest A.have B.has C.to have D.having.