合并句子意思不变1 You have given us so much help.thanks a lot.Thanks
合并句子意思不变 1 You have given us so much help.thanks a lot. Thanks l lot --- --- --- so much a lot (3个横线处填什么) 变同意句 1The shop opened half a year ago The shop --- --- --- for half a year (3个横线处填什么)