Last month 放句首 后面用不用加逗号 久坐 译为 sitting for too lonLast month 放句首 后面用不用加逗号久坐 译为 sitting for too long,为什么不能是sitting too long

Last month 放句首 后面用不用加逗号 久坐 译为 sitting for too lonLast month 放句首 后面用不用加逗号久坐 译为 sitting for too long,为什么不能是sitting too long this month.next month.last month.他们后面用加S吗? susan went to london last month 用next month替换last month Mr.Brown is supposed to have left for Ltaly last month这里为什么用 have 不用has? He is flying to Beijing now.(用 last month 改写 )He--- ---- Beijing last month. did后面的词用不用过去式?+（有last或yesterday） 42.The town ________ we visited last month is the one ________ the famous artist was born?为什么第一空用that 而不用 where 英语翻译last month. last month 中文? bill moved to america last month用next month改写句子 He left this city last month.(用since a month ago 改写） Dick goes to see his cousin every month by train.(用last month改写句子 Have you been to Shanghai?Yes,I ( )therefor 3 days last month.答案是havebeen用 have been还是was网上有的人说用havebeen有的人说用was,究竟哪个?如果用havebeen,后面不是有last month吗?现在完成时态不是不能和last mon The famous singer had two major concerts last month（用in the last two month改写句子） The story happened ----- a rainy ninght-----last summer. 前面应该用on ,后面的应该不用介词吧?last 前面用介词吗? She （said）① she （is flying）② to New York （next month）③.这道题中如果把②改成was flying,那么后面的next month不用改成the next month吗?如果把①改成says,用不用把is flying变成过去将来时呢? I had a holiday last month last month划线提问 The book came out last month ,but( has sold out) already .为什么不用has been sold out?